Topics: Respiratory and Urinary Quiz
After air moves through the pharynx it continues downward. The _____, or windpipe, directs the air into 2 separate branches or tubes.
A. mucus
B. trachea
C. larynx
D. epiglottis
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What structure in the kidneys filters the blood?
A. Ureters
B. Nephrons
C. Bladder
D. Urethra