Light-Skinned People Have a Translucent Epidermis That Ranges in Color

question 40

Multiple Choice

Light-skinned people have a translucent epidermis that ranges in color from pink to red depending on the amount of oxygen being carried by ___, a pigment in red blood cells.

• A) hemoglobin
• B) carotene
• C) tannin
• D) melanin
• E) renin

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Definitions:

Action Potential

A temporary reversal of the electrical potential across the membrane of a neuron, leading to the transmission of an electrical signal along the neuron.

Electrical Signal

An impulse or transmission of information conveyed through the movement of electrical charge.

Axon

An elongated, thin extension of a neuron, also known as a nerve cell, which usually transmits electrical signals from the cell body of the neuron.

Synaptic Transmission

The process by which neurons communicate with each other by releasing neurotransmitters across a synapse to transmit signals to target cells.