Topics: Respiratory System Quiz
Which part of the human respiratory system is a thin, moist membranous structure where gas exchange occurs?
A. trachea
B. bronchus
C. epiglottis
D. alveolus
Select your answer:

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Obesity Living Organisms Communicable Disease Blood Pressure Histology - Tissues Infection Detection Hospital Departments Molecular Genetics Integrated Science Transport system in Living Things (Human) Tongue and Skin Vision and Hearing Defects Microrganisms Nucleic Acids Neurology OncologyOther quiz:
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True or False: Trans fats are a healthy type of fat
A. TRUE
B. FALSE