Autonomic Nervous System
Autonomic Nervous System
The autonomic nervous system (ANS) is a regulatory branch of the central nervous system that helps people adapt to changes in their environment. It adjusts or modifies some functions in response to stress. The ANS helps regulate.
• blood vessels' size and blood pressure
• the heart's electrical activity and ability to contract
• the bronchium's (BRON'ke-um) diameter (and thus air flow) in the lungs
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Description
Autonomic Nervous System
The autonomic nervous system (ANS) is a regulatory branch of the central nervous system that helps people adapt to changes in their environment. It adjusts or modifies some functions in response to stress. The ANS helps regulate.
• blood vessels' size and blood pressure
• the heart's electrical activity and ability to contract
• the bronchium's (BRON'ke-um) diameter (and thus air flow) in the lungs
