fight or flight unit.12.part.d2
TRANSCRIPT
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Kinase
Adrenal
glands
Parasympathetic
Nervous system
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Nervous system regulation of the
heart originates in the
cardiovascular centre in the
medulla oblongata. This region of the brain stem receives input
from a variety of sensory
receptors and from higher brain
centres, such as the cerebral
cortex. The cardiovascular centrethen directs appropriate output by
increasing or decreasing the
frequency of nerve impulses in
both the sympathetic and
parasympathetic branches of the
nervous system.
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