CAT NO: DIDACTICNLE-Export-007010
Autonomic Nervous System.
Autonomic Nervous System Science Labs 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.
a. Blood vessels' size and blood pressure
b. The heart's electrical activity and ability to
contract
c. The bronchium's (BRON'ke-um) diameter (and
thus air flow) in the lungs.