A person touches a hot surface with his hand and his hand springs back. Which two systems are operating?
A.
cardiovascular system and endocrine system
B.
nervous system and cardiovascular system
C.
musculoskeletal system and endocrine system
D.
nervous system and musculoskeletal system

Respuesta :

Answer:

D

Explanation:

because the cardiovascular system deals with the heart and the endocrine system deals with hormones

but nervous system deals with the nerves,receptors and effectors while the musculoskeletal system deals with the muscles.

hope that explanation helps:)