Stephanie, due to circulation problems. The rest can/will be healed/fixed over time
Answer:
Transportation of essential gases an nutrients, waste and unwanted products
Explanation:
the key feature of circulation is transportation of essential gases and nutrients around the body of an organism, removes unwanted products of metabolism from the tissues, and carries these products to specialized excretory organs, if present.
Answer:
Explanation:
Mate i didn't understand you Question
I believe the answer to your question will be that they peak at their thirty's because anything over they would be past their prime.