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:

Census Tracts

Geographic regions defined for the purpose of taking a census, usually characterized by populations of 2,500 to 8,000 people.

Community Organizations

Groups formed at the local level to promote and support the interests and welfare of the community.

Health Problems

Physical or mental conditions that impair a person’s normal functioning, requiring medical attention or treatment.

Motor Vehicle Crash

An incident involving a collision or accident of motor vehicles resulting in damage or injury.