Adrenaline:
Correct answer: C. Neurotransmitter
- A. Milk production
- B. Muscles
- C. Neurotransmitter
- D. Involuntary
Explanation
Adrenaline acts as both a hormone and a neurotransmitter. As a hormone, it is released into the bloodstream by the adrenal glands in response to stress or excitement, affecting various organs and tissues throughout the body. As a neurotransmitter, adrenaline plays a role in the transmission of nerve impulses within the nervous system, particularly in the sympathetic nervous system's "fight or flight" response.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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