1.- How does the energy food get in to the?

Protein helps the body produce new cells to repair aging cells , to create hormones and enzymes , and keep your immune system healthy .

2.- How is protein in milk broten down?

Proteins provide the amino acids needed for maintenance of vital functions such as reproduction, growth and lactation . Non- ruminant animals need pre - formed amino acids in their diets , but ruminants can utilize many other nitrogen sources because of their rare ability to synthesize amino acids and protein formed from non- protein nitrogen.