Examlex
In internal respiration, carbon dioxide diffuses from the ____________________ to the ____________________.
Dendrites
Branch-like extensions of neurons that receive signals from other neurons or sensory inputs.
Neurotransmitters
Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.
Myelinization
The process of forming a myelin sheath around the axons of neurons, which increases the speed at which electrical impulses propagate along the nerve cells.
Synapse
The junction between two neurons or a neuron and a muscle where information is transmitted from one to the other.
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