Compression or contact stress occurs when a part of your body is subjected to extreme or constant pressure, such as from a sharp or hard object. Correct answer: A
Contact stress occurs when a part of your body rests against something, resulting in discomfort and/or pain. Example: telephone headset that fits too tightly results in contact stress to the head.
Answer:
The answer will be muscular system
Explanation:
Because the muscular system has the heart and more to help the body stay alive.
