Which of the Following Is an Example of Diffusion

question 102

Multiple Choice

Which of the following is an example of diffusion?

• A)movement of individual oxygen molecules from the air to the bloodstream
• B)movement of large numbers of air molecules into and out of the lungs
• C)transport of oxygen throughout the body by means of the circulatory system
• D)binding of oxygen to hemoglobin within the red blood cells
• E)movement of oxygen molecules from the lungs to the bloodstream AND movement of large numbers of air molecules into and out of the lungs

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Definitions:

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Night Terrors

Episodes of intense fear that occur during deep (non-REM) sleep, typically in children, characterized by screaming, sweating, confusion, and a heightened heart rate, without memory of the event upon waking.

Restorative Function

A theory proposing that sleep serves to repair and rejuvenate the body and mind, restoring physiological and psychological functions.

Consciousness

The state of being aware of and able to think about one's own existence, sensations, thoughts, surroundings, and experiences.