Define Body Composition in your own words

Protein provides 4 calories per gram. mary is on a diet that requires her to eat atleast 40 grams of protein each day. shes eaten 152 calories of protein today. how much more protein does mary need to eat to meet her goal?

What else happens in your cardiovascular system in response to your sympathetic nervous system? why might your blood vessels need to expand to accommodate this?

Explain different ways infections from different organisms can be treated.