Answer:
ummmmmm thank u for these 15 pts
Answer:
C
Explanation:
Cholesterol molecules stay in between fatty acid tails preventing them from sticking together
Answer:
Chambers
Explanation:
Oxygen-rich blood travels from the lungs to the left atrium, then on to the left ventricle, which pumps it to the rest of the body. The heart pumps blood to the lungs and to all the body's tissues through a sequence of highly organized contractions of the four chambers.
Passes laws to protect the environment