Examlex
As a result of plate tectonics, new crust is added to the Earth at ____, and old crust is recycled into the mantle at ____.
Medulla
A structure in the brain stem responsible for certain automatic functions, such as breathing and heart rate.
Autonomic Nervous System
The subdivision of the peripheral nervous system that regulates the internal organs and glands.
Epinephrine
A hormone and neurotransmitter also known as adrenaline, involved in regulating visceral functions (e.g., heart rate) and the 'fight or flight' response.
Norepinephrine
A neurotransmitter and hormone involved in the body's fight or flight response, affecting mood and arousal.
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