A Person 60 Years of Age or Older Is Considered

question 45

True/False

A person 60 years of age or older is considered "old."

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Definitions:

Schwann Cells

Cells in the peripheral nervous system that produce myelin, a substance that insulates nerve fibers and speeds up nerve impulse transmission.

Epineurium

Connective tissue sheath surrounding a nerve.

Fascicles

Bundles of muscle fibers encased in a protective sheath, contributing to the structure and function of muscles.

Phrenic Nerves

Nerves that run from the cervical spinal cord to the diaphragm, playing a crucial role in stimulating its contraction and thus enabling breathing.