When heat is applied to skin, blood vessels in the area dilate and more blood flows through them.What does this extra blood bring to the tissues?

Question

Quizplus · Accepted Answer

The extra blood flow brings oxygen and nutrients to the tissues, which can help with healing and repair. Excess fluid (choice A) would cause swelling and edema (choice D), which may occur as a result of inflammation but is not specifically caused by increased blood flow. White blood cells (choice B) may also be present in the extra blood flow, but their presence is not directly related to the purpose of increased blood flow to a heated area of the skin.

When Heat Is Applied to Skin, Blood Vessels in the Area