Answer:
The main function of the kidney is to help regulate everything. So this means pH, vitamins, etc. Kidneys are also useful for filtering vitamins and nutrients.
The glycemic index predicts the way certain foods affect blood sugar levels.
Answer:
A. They destroy antigens because they are a foreign object.
The answer is true. if you don't have body fat your body will not function correctly and you could get diseases easily and you won't live very long. Many may not know that our body fat helps our skin and hair, maintain a normal temperature just think if we were to skinny we would be freezing to death, and our body fat helps cushion our organs and tissues.<span />