The answer is number two which is Hyperactivity
The Cleveland clinic says that allergies are the main cause for the high levels. But some other causes can include skin disorders, tumors and autoimmune disorders
By getting people to wash their hands more often.
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.
