Final answer:
When a person is overheated, the amount of blood that passes through the skin increases to cool the body.
Step-by-step explanation:
When a person is overheated, the amount of blood that passes through the skin increases to cool the body. This is achieved through a process called vasodilation, where the blood vessels in the skin expand to allow more blood to flow through. As a result, heat is released from the body surface and carried away by the increased blood flow. This helps to regulate body temperature and prevent overheating.