They move waste and nutrients through the intestines.
Answer:
muscle mass is food for my body weight about 227gram of muscle each week
To prevent blood flowing back after each heartbeat. They ensure that the blood flows only in one direction (back to the heart).
The answer is B.
It doesn’t really make sense and isn’t something an enzyme does. Enzymes help chemical reactions occur. They don’t alter the intrinsic energy of a particular substrate.
A is the answer to this problem
