By using universal terms and anatomical position when identifying human body parts, there is very little room for error or confusion as to which part you are referring.
Answer:
C - motion
Explanation:
The definition of motion is "the action or process of moving or being moved."
<span>Blood flow to the skin increases when the
temperature of the body rises. When you are too hot, the blood vessels in your
skin expand (dilate) to carry the excess heat to your skin's surface. It helps
cool your body. </span>
