When a person touches a hot surface with his hand and his hand springs back, then the NERVOUS and MUSCULOSKELETAL systems are operating (Option B).
- The somatosensory system controls the sense, which is composed of nerve endings and touch receptors in the skin.
- Thermoreceptors are receptors in the skin that sense the heat and send this information to the brain.
- The nervous system sends information to activate the skeletal muscles, which voluntarily contract (tense up) in response to this information.
In conclusion, when a person touches a hot surface with his hand and his hand springs back, then the NERVOUS and MUSCULOSKELETAL systems are operating (Option B).
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