Topics: Breathing System Quiz
What is the function of the trachea?
A. To carry air to and from the lungs
B. To warm and moisten the air
C. To trap dirt particles and bacteria
D. To exchange gases in the alveoli
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What is the process by which oxygen passes from the alveoli into the blood vessels?
A. Diffusion
B. Respiration
C. Excretion
D. Gas exchange