The first visible signs of senescence are usually observed in a person's:

A) gait.
B) posture.
C) skin.
D) eyes.

Senescence

Senescence refers to the process of aging, during which a cell's ability to divide and grow diminishes.

Posture

The way in which one holds their body when standing, sitting, or lying down, which is crucial for balance, functional movement, and health.