Im on the last 5 quiestions and I really just cant find them.

1. What makes and builds cells, if an animal does not get enough it cannot make skin cells, build muscle, or grow?

2. What helps with metabolism, determines how effectively the body uses food?

3.Whats the name for normalcy in an animal?

4. Whats the porion of a nutient that can be absored and or degested and used by the body?

5. What is the essential nutrient to provide and store energy?

These could each be a number of terms.

1) amino acids, or protein
2) respiration?
3)
4)digestive portion?
5)fat, oil