Answer:
Aging changes occur in all of the body's cells, tissues, and organs, and these changes affect the functioning of all body systems.
Explanation:
The list which correctly summarizes the main functions of proteins in the human body is the last one - p<span>owering movement, structural support, hormone production, antibody and enzyme production.
Skeletal muscles are responsible for movement and those muscles are made of protein. </span>
True, because the fossils of animals that ,for example, are similar to humans show us the different stages that the species went through, what it looked like, and gives us a good idea of how similar it was becoming to us.
Active transport uses up energy while passive transport does not.
The two types are Alcoholic fermentation and lactic acid fermentation.