Light, a Central Player in Our Visual Perception of the World

question 97

Multiple Choice

Light, a central player in our visual perception of the world, is a form of

• A)chemical energy.
• B)mechanical energy.
• C)vibration.
• D)electromagnetic energy.

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Definitions:

Arrector Pili

Muscles attached to most hair follicles and found in the dermis.

Goose Bumps

The reflex erection of hairs on the skin, caused by cold, fear, or other stimuli, creating a goosebump appearance.

Dermis Layer

The dense layer of vital tissue situated beneath the epidermis, constituting the real skin and encompassing sweat glands, hair follicles, and additional elements.

Major Tissue Types

The four fundamental types of tissues in the body: epithelial, connective, muscle, and nervous tissue, each with distinct structures and functions.