One of the Most Obvious Signs of Aging Is

question 43

Multiple Choice

One of the most obvious signs of aging is:

• A) gray hair.
• B) skin discoloration.
• C) the wrinkling of the skin.
• D) hair loss.

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Definitions:

Myelination

The process of developing a myelin sheath around the nerves, which significantly speeds up the transmission of nerve signals.

Vaccine-preventable Disease

Illnesses for which effective immunizations exist, allowing for their prevention through vaccination.

Synapse

The intersection or gap between the axon of one neuron and the dendrites of other neurons; the gap that neurotransmitters must cross.

Synaptogenesis

The process of formation of synapses between neurons in the nervous system, crucial for learning and memory.