Answer:
Proteins are macromolecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs
The element is Manganese. Period I believe is boiling point and group is melting point.
Pumping blood throughout the cardiovascular system
Epithelial tissue <span>covers the body surface and forms the lining for most internal cavities. </span>
