Select the correct choice for label x in the diagram below:
Correct answer: C. Synaptic cleft with neurotransmitters
- A. Presynaptic membrane
- B. Post synaptic membrane
- C. Synaptic cleft with neurotransmitters
- D. Motor-end plate
Explanation
The space between two neurons across which the impulse is transmitted by a neurotransmitter is known as synaptic cleft. The molecules of neurotransmitter diffuse across the synaptic cleft and bind to receptor proteins on the postsynaptic cell.
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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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