How does the skin defend the body? (Select all that apply. )

A) Skin serves as a sensory organ for pain.
B) Skin serves as a sensory organ for touch.
C) Skin serves as a sensory organ for temperature.
D) Skin has an acid pH.

Acid PH

A measure of acidity or alkalinity, where a pH less than 7 indicates an acidic substance.

Sensory Organ

An organ of the body responsible for receiving and processing sensory information, such as the eyes, ears, skin, nose, and tongue.