Question

when you get pinched by someone, which systems interact to help move your arm away?
nervous, muscular, skeletal
nervous, respiratory, skeletal
digestive, muscular, respiratory
muscular, excretory, skeletal

Explanation:

To move the arm away from a pinch, the nervous system detects the stimulus (pinch) and sends signals. The muscular system provides the force to move, and the skeletal system provides the structure (bones) for the arm to move. The respiratory system isn't involved in this movement response, so options with respiratory are incorrect. Digestive and excretory systems are also not involved here. So the correct systems are Nervous, muscular, skeletal.

Answer:

A. Nervous, muscular, skeletal