Why is it necessary to separate oxgynated blood and deoxgynated blood in living organisums?

Answers

Answer 1

Answer:

For efficient transportation of blood.

Explanation:


Related Questions

3.
Read this sentence from the passage.
The tortoises which live on those
islands where there is no water,
or in the lower, arid parts of
the others, feed mainly on the
succulent cactus.
The word succulent MOST LIKELY
means
A. dried out.
B. chunky.
C. moist.
D. tough.

Answers

i think it’s C because cactuses store water in them, and also it mentions that the tortoises live in dry areas so it makes sense that they’re feeding on cactuses to get some water

how to minimize flood​

Answers

Answer:

some of the ways are...

Explanation:

establishing strong damavoiding construction around water resources properly utilizing and storing rain water for future useflood cannot be stopped totally as it is the effect of nature but its effects can be minimized by using our scientific knowledge and methods

Which of the following is a testable hypothesis?
a. Roses are more beautiful than violets.
b. A plant needs at least five hours of sunlight per day to grow.
c. I've cream is delicious.
d. Humans will someday land on Mars.

Answers

B is the correct answer because none of this that you put are testable.

Answer:

B. because it's something u can actually do it,  and it's more reasonable

Explanation:

an example for a hypothesis could be, If a gets at least 5 hours of sunlight per day, then it will grow. I hope this helps you :)

answer these two please

Answers

the answer to question one is a dissecting microscope.
The answer to question two is the third option about three-dimensional images

Does anyone know the answer for 1?

Answers

The correct answer of question number 1 is D. Sill

Adequate food safety practices lead to less: A:Food waste B:Insurance costs C:Hospitalizations D:Training

Answers

The answer to this question is HOSPITALIZATIONS

Food is very important as it is contains the source of energy. However, food can easily be contaminated majorly by MICROORGANISMS, hence, the reason they must be well kept and preserved. Every individual should oblige by the safety rules that guide handling of food (cooked or raw).

Some of the safety rules include;

* Proper washing of hands before and after cooking* Cook food thoroughly* Separate cooked and raw food* Keep food at safe temperatures etc.

Therefore, adequate food safety practices will help reduce HOSPITALIZATIONS caused by disease causing agents.

Learn more at: https://brainly.com/question/14608053

Hospitalizations will be less if adequate food safety practices are adopted.

Adequate food safety practices lead to less hospitalizations in the society because most people hospitalize due to bad food habits and food poisoning. If we implement safety measures related to food then we can save ourselves from various diseases as well as prevent ourselves from going to the hospital so in my opinion hospitalizations will be less if sufficient food safety measures are adopted by the people.

Learn more: https://brainly.com/question/17155329

Detectives work in three different locations when processing evidence. Which is the correct order for the locations of processing evidence? a. in the forensic lab, analyzing evidence b. in the court, testifying about their findings c. at the crime scene, collecting evidence 1. a, b, c 2. b, c, a 3. c, b, a 4. c, a, b

Answers

Answer:

The correct order is option 4. c, a, b.

Explanation:

Evidence collection and processing involves three different locations and this processing and analyzing is done by the detectives. The first location is the crime scene at which detectives collect the evidences such as photographs, blood traces and samples, fingerprint and other physical evidences without manipulating them.

Second location of processing evidences is at forensic lab at which the evidences are thoroughly tested and analyzed and match with prior records. The final location is in the court house where all the evidences and finding about them are testified.

Thus, the correct order is : option 4. c, a, b.


State one reason why soil organisms need air

Answers

Answer:

Soil organisms need air because to release plants nutrition to soil .

they provide nutrients into the air that are healthy

Please choose the answer that best fills in the blanks of this statement in the correct order. Photosynthesis proceeds in two phases: the light-_______ reactions which proceed only in the presence of sunlight, and the light-________ reactions which proceed regardless of the lighting conditions.

Answers

Answer:

first blank dependent

second blank independent

Explanation:

Light Dependent reactions depend on light and right independent reactions don't

answer answer answer answer

Answers

Answer: C

Explanation: Amoeba use pseudopods to move around and people use feet to move.

Answer:

The answer is C

how can new stuff be made from old stuff

Answers

Answer:

BUY A NEW ONE

clean it

or sell it , with the money you sold the item use that money to buy a new one

Explanation:

Answer:

That is called upcycling. IKEA has started doing that with their products

Explanation:

Which statements accurately describe the roles of water on earth

Answers

Answer:

C.

Explanation:

It carries cold water from the equator to the poles

latex from _______ is the source of biodiesel
A. Jatropa
B. Tulasi
C. Neem
D. Cactus​

Answers

Latex from cactus is the source of biodiesel.

What is the fitness of an organism?
O A. The environment the organism lives in
O B. The ability to survive and reproduce
O C. The total population of a species
O D. The number of resources an organism uses

Answers

Answer:

B the ability to survive and reproduce.

Name four breeds of cattle

Answers

Answer:

Black Angus, Red Angus, Holstein, Gelbvieh

Hope this helps!

In terms of pedogenic regimes, the process that results in an accumulation of humus overlaying a thick, water saturated layer of clay in cold, wet climates with poor drainage conditions is

Answers

Answer:

https://onlinelibrary.wiley.com/doi/full/10.1111/j.1936-704X.2015.03186.x the ans is more than 5000 lines so I cont lell it so it is the link of the ans


Pls help the picture above .i will surely mark the first person as the brainliest

Answers

Answer:

Wilting occurs due to excess removal of water from plant body.

Crop rotation.

Explanation:

The main use of blue green algae is that it has the ability of fixing atmospheric nitrogen for the plants. Oil is extracted from Neem leaves which is used as fungicide and pesticide for plants. Turmeric is used as healing of wounds for both plants and animals. It also prevent fungal and bacterial disease in plants. Plants will wilt if not watered because water is removed from the body of plants in order to cool down the inner temperature so due to removal of excess water from plant body it will dry and start wilting. Crop rotation is used in these cropping system. Crop rotation is a practice of growing more than one crop on the same piece of land in a year.

carbohydrate are store in animal cell in the form of​

Answers

Answer:

molecule glycogen

Plants store carbohydrates in long polysaccharides chains called starch, while animals store carbohydrates as the molecule glycogen.

Glycogen molecule, which is found in the cytosol of the cell

A possible answer to a scientific question that can be tested is a

Answers

The key to a good and manageable investigation is to choose a topic of interest, then ask what is called a “testable question.” Testable questions are those that can be answered through hands-on investigation by the student.

Which best describes food when it reaches the stomach?

Answers

Explanation:

The polysaccharides have been broken down.

13. List 4 safety symbols that would be seen if you are working with a material that is biohazard, such as bacteria.

Answers

Answer:

1. Skull and crossbones

2. A triangle (commonly painted colour red or yellow) with an exclamation sign inside.

3. biohazard symbol

4. A radiation sign in the form of a triangle, having other little image descriptions inside.

Explanation:

Note that a biohazard material refers to dangerous substances of biological (living) nature that can pose a threat to humans. Thus, safety symbols try as much as to draw attention to the descriptions used.

For example, skull and crossbones and biohazard symbols are used to indicate that a material that is biohazard, such as bacteria could result in the death of a person.

When fats are used as an energy source, the glycerol portion enters ________ when it has been converted to ________. When fats are used as an energy source, the glycerol portion enters ________ when it has been converted to ________. glycolysis; dihydroxyacetone phosphate the electron transport system; coenzyme Q glycolysis; fructose-6-phosphate the citric acid cycle; pyruvate the citric acid cycle; acetyl CoA

Answers

Answer:

 glycolysis; dihydroxyacetone phosphate

When fats are used as an energy source, the glycerol portion enters the glycolysis when it has been converted to dihydroxyacetone phosphate. Thus, the correct option is A.

What is the Glycolysis?

Glycolysis may be defined as the process in which glucose (sugar) is partially broken down by cells in enzyme reactions that do not need oxygen.

In order to obtain energy from fats, triglycerides must be broken down into fatty acids and glycerol through hydrolysis. The fatty acids enter to Krebs cycle and are converted into acetyl CoA.

While the glycerol portion enters into glycolysis and is converted into dihydroxyacetone phosphate.

Therefore, the correct option for this question is A.

To learn more about Glycolysis, refer to the link:

https://brainly.com/question/737320

#SPJ2


You need to include more of which nutrient in your diet as compared to your
grandmother and why ?

Answers

Calcium and Vitamin D. Adults older than 70 need more calcium and vitamin D to help maintain bone health than they did in their younger years. ...

Helpppppp!!!
Which of the following is an example of a hormone?

Adrenaline
Blood
Calcium
Thyroid

Answers

I believe the answer is adrenaline, the rest just dont make sense

Answer:

Adrenaline is an example of a hormone. Hormones are chemical messengers in your body, which carry around messages. Adrenaline is a hormone that is released when you are in fear, stress, or doing something dangerous.

Let me know if this helps!

Question 17 of 25
Why do plants produce more carbon dioxide than oxygen during the night?
O A. Respiration produces oxygen during the day and carbon dioxide at
night.
B. Respiration can happen without sunlight, but photosynthesis
cannot.
O C. Respiration can only occur when there is no available sunlight.
O D. Photosynthesis only produces carbon dioxide during the night.
SUBMIT

Answers

Answer:

B

Explanation:

Respiration can happen without sunlight,but photosynthesis cannot.and photosynthesis doesn't take place at night,so less carbon dioxide is used up than it is produced.

I hope this helps

When you centrifuge the DNA isolated from the bacteria, the DNA separates into two classes. One class of labeled DNA includes very large molecules (thousands or even millions of nucleotides long), and the other includes short stretches of DNA (several hundred to a few thousand nucleotides in length). Which two classes of DNA do these different samples represent

Answers

Answer:

Leading strand and Okazaki fragments

Explanation:

The two classes of DNA that the different samples represent include the leading strand and the Okazaki fragments.

The large molecules DNA with thousands/millions of nucleotides constitutes the leading strand of the DNA while the short stretches of DNA with just a few thousand nucleotides in light constitute the Okazaki fragments.

This is because, during replication, the leading strands of DNAs are usually synthesized in a continuous manner and end up forming a long, continuous daughter strand while the lagging strands are usually synthesized in short, discontinuous fragments known as the Okazaki fragments.

The continuous/discontinuous replication of the leading/lagging strands of the DNA is due to the characteristics of the enzyme responsible for adding bases to the growing daughter strands. The DNA polymerase enzyme can only add nucleotides in the 5' to ' direction.

It can be inferred from the passage that the time required to replenish muscle glycogen following anaerobic glycolysis is determined by which of the following factors? I. Rate of oxidative metabolism II. Quantity of lactic acid in the body fluids III. Percentage of glucose that is returned to the muscles

Answers

Answer:

Percentage of glucose that is returned to the muscles.

Explanation:

After intense physical activity, where glycogen reserves are consumed, the muscle acquires its resting and reactivation position, is where the organism that feeds the new reserves for the next physical activity is located.

Foods rich in carbohydrates identified as ATP or glucose in good quantities, but this depends on the amount of intake and the quality of the food, that is how when consuming these sources, the serum glucose values are metabolized, that is, increases glycemia and this promotes the release of insulin that is responsible for generating energy reserves with more complex chemical bonds such as glycogen.

Why did the author think e-skin could make better hearing aids? In your answer, explain how the ears connect to the nervous system

Answers

Answer:

The author thought this because e-skin might hold promise for use in soft, wearable hearing aids. Unlike conventional aids, soft devices are more comfortable because they mold to human skin. When the ear receives sound vibrations, there are hair cells in the cochlea that vibrate and translate the sounds into electrical signals. These electrical signals are transmitted to the auditory nerve, which transmits the information to the brain.

Answer:

Sound is one of the five major senses. The nervous system carries sound signals from sensory receptors to the brain. E-skin has many sensory receptors that can carry signals toward the brain, enabling us to react to sounds. Because e-skin is soft, scientists can use it to make effective hearing aids that are quite comfortable to wear.

Explanation:

do not copy it, this is the exact answer from Edmentum

(this means it right)

Ergogenic aids can be useful in some circumstances, some are possibly useful but still under study, and still others are downright dangerous and illegal. 1. human growth hormone.
2. anabolic steroids
3. creatine
4. caffeine
5. beta-hydroxy-beta methylbutyric acid (HMB)
6. branched-chain amino acidsA. The use of_____may improve performance for those who undertake repeated bursts of activity, such as in sprinting or weightlifting.B. Consuming small amounts of_______can increase menta alertness. C. Consuming______may enhance muscle recovery after intense physical activity. D. An ergogenic aid that increases muscle mass but may also cause uncontrolled growth of the heart or other organs and is banned by the International Olympic Committee is______.

Answers

Answer:

Using beta-hydroxy-beta methylbutyric acid (HMB) can improve performance for those who perform explosive repetitions of activity, such as running or lifting weights. Consuming small amounts of caffeine can increase mint alertness. C. The consumption of branched-chain amino acids and creatine can improve muscle recovery after intense physical activity. D. An ergogenic aid that increases muscle mass but can also cause uncontrolled growth of the heart or other organs and is prohibited by the International Olympic Committee: anabolic steroids.

Explanation:

In the answer I leave you the text with the blanks completed ... It is also important that you know that amino acids are important for the formation of muscle mass and its recovery, in addition to creatinine.

On the other hand, these supplements are administered in people who have high performance in sports, and accompanied by a good diet and specific diet, otherwise they will not work.

Anabolics are chemical structures that promote energy reserves and anabolism for muscle tissue hypertrophy, but they do not have a selective effect on the skeletal muscle, but rather affect other parts of the body, that is why they are risky, cause heart failure, cardiovascular, liver, kidney, and even possible alterations of the gallbladder.

If capeland switches from producing 0 watermelons to producing 18 million tons of watermelons, what does it give up?

Answers

Answer:

Attached to this solution is an image of the complete question and data.

The correct answer is:

6 million pairs of shoes

Explanation:

From the diagram attached to this answer, the following data can be gotten:

Watermelons                   shoes

(Millions of tonnes)          (Millions of pairs)

0                                        15

8                                        14

14                                       12

18                                       9

20                                      5

21                                       0

From the pattern of the data shown above, we notice that as the production of one commodity increases, the other is given up (decreases)

Therefore, to find how much shoes are given up if Capeland switches from 0 watermelons to 18 million tons of watermelon, we will find the difference between the number of shoes produced at 0 and at 18 million tons of watermelon

at 0 watermelon; shoes = 15 million pairs

at 18 million tons of watermelon; shoes = 9 million pairs

Therefore, number of shoes given up = 15 - 9 = 6 million pairs

Hence, 6 million pairs of shoes are given up tp increase production of watermelon from 0 to 18 million tons

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