Mouth, throat, small and large intestine
Answer:
Revolution of earth around the sun
Explanation:
For plants, it's photosynthesis.
Proteins are large, complex molecules 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. ... These proteins provide structure and support for cells. On a larger scale, they also allow the body to move.
