Multiple Choice
The main function of the respiratory system,the exchange of oxygen and carbon dioxide,occurs where?
A) Pharynx
B) Trachea
C) Bronchi
D) Alveoli
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q30: Match each system to an important function
Q31: The reproductive organs in the female produce
Q32: The endocrine gland not located in the
Q33: Control of body functions and recognition of
Q34: The pineal gland is an endocrine gland
Q36: The tonsils are part of the lymphatic
Q37: The tiny,thin-walled sacs in the lung are
Q38: Match each system to an important function
Q39: The prostate gland is part of the
Q40: The lymphatic system is important in the