Examlex
What region of the brain integrates visceral activities, body temperature, and heartbeat?
Pupils
The opening in the center of the iris of the eye, which regulates the amount of light that enters the eye to reach the retina.
Action Potential
A rapid, temporary change in electrical potential across a cell membrane, leading to the transmission of a nerve impulse along a neuron.
Electric Gradient
A difference in the electrical charge across a membrane, leading to a force that drives the movement of ions.
Neuron Plasma Membrane
The lipid bilayer that encloses the cytoplasm of a neuron, controlling the passage of ions and molecules in and out of the neuron.
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