How Many Layers Comprise the Skin

question 2

Multiple Choice

How many layers comprise the skin?

• A)​six
• B)five
• C)four
• D)three
• E)​two

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Definitions:

Smooth Muscle

Involuntary, non-striated muscle found in the walls of internal organs such as the stomach, intestines, and blood vessels.

Hyaline Cartilage

Gelatinous, glossy cartilage tissue consisting of cartilage cells and their matrix; contains collagen, proteoglycans, and water.

Elastic Cartilage

A type of flexible cartilage that contains elastic fibers, enabling structures like the ear and epiglottis to return to their original shape after being bent or stretched.

Alveolar Ventilation

The exchange of air between the lungs and the environment, specifically involving the alveoli, which are essential for oxygen exchange and carbon dioxide removal.