Question
When a person’s arm touches something hot, the muscles in the arm react to pull the arm away. Which body system alerts the muscles to react?
A.
Nervous
B.
Circulatory
C.
Respiratory
D.
Digestive
A.
Nervous
B.
Circulatory
C.
Respiratory
D.
Digestive
Answers
GPT-4o mini
The body system that alerts the muscles to react when a person's arm touches something hot is the **A. Nervous** system. The nervous system processes the sensory information (in this case, the heat) and sends signals to the muscles to pull the arm away quickly.