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The Number and Quality of Sperm Produced by a Man

question 133

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The number and quality of sperm produced by a man declines beginning at about age ______.


Definitions:

Neuron

A nerve cell that is the basic building block of the nervous system, responsible for receiving, processing, and transmitting information.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for integrating sensory information and responding accordingly.

Specialized Neurons

Nerve cells that are tailored for specific tasks within the nervous system, such as sensory reception or muscle control.

Interneurons

Nerve cells within the central nervous system that connect sensory and motor neurons, playing a critical role in reflexes and neuronal circuits.

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