Answer:
C
Explanation:
It will affect the liver because the liver helps to store fatty foods
When exercising is when the lungs work the hardest because you're using a lot of muscles and are running around and are using force in your body so the lung works really hard to make sure the body gets enough air while working out.
Answer:
B. It shows how organisms change over time.
Explanation:
embryos can not be observed in fossils.
Proteins are degraded so thats why they can not be studied.
Organisms can not be evolved instantly.
I think its because we don't know how to harness it, with out making things explode.
They are the endocrine glands
