Biology, 21.05.2020 00:00 PinkDivaGirl02

Homeostasis in living things is regulated by the action of
Question 2 options:
A. The nervous system, only
B. The endocrine system, only
C. Both the nervous and endocrine systems

All living organisms must maintain homeostasis in order to survive. Which statement best describes one way humans maintain homeostasis?
Question 3 options:
A. Temperature is regulated by giving off carbon dioxide
B. Water content is regulated by giving off carbon dioxide
C. Temperature is regulated by sweating
What is the ultimate goal of digestion?
Question 4 options:
A. Produce glucose to convert to ATP
B. Produce oxygen
C. Produce waste products that the body will use
Which of the following is an example of the respiratory and circulatory systems working together?
Question 5 options:
A. The blood flows through the kidneys and waste products are removed
B. The lungs take in air and the blood carries oxygen to the body’s cells
C. The small intestine breaks down and absorbs food and the blood carries nutrients to the body’s cells

Answers: 1

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Answer from: hannahkharel2

1. C because the nervous system and the endocrine system both play huge roles in maintaining homeostasis.

2. C because the body cools off by sweating.

3. A because the reason we eat is because food gives us energy and we need food to survive.

4. B because the respiratory system is in charge of breathing and the circulatory system is in charge of circulating blood throughout the body. Lungs are what you breathe out of and blood carries oxygen throughout the body.

I hope this helps you!

Answer from: Quest

answer: carbon 14 can only be used to determine the age of the organisms that were once living, and igneous rocks are non living.

explanation:

carbon 14 dating is used to determine the age of the sample by estimating the amount of carbon 14 present in the sample and then comparing it with a reference standard.carbon 14 is a isotope of carbon which is radioactive and unstable. carbon 14 is assimilated by all plants and animals throughout their life from carbon dioxide. however, one the organisms die they stop this assimilation and the carbon 14 content starts to decrease.by knowing how much of carbon 14 is left in an organism after his death, one can estimate the age of the organism. the materials whose age can be estimated by carbon 14 method are the organic compounds. however, some inorganic compounds such as aragonite shell can also be dated.however, if we consider the igneous rocks it is a non living component which never accumulated carbon 14 in it and thus, we cannot use carbon 14 dating method to estimate its age.

Answer from: Quest

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

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Homeostasis in living things is regulated by the action of
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