Topics: Respiratory System Quiz
Which 2 substances are exchanged in the Respiratory System?
A. oxygen and nitrogen
B. carbon dioxide and oxygen
C. oxygen and glucose
D. glucose and carbon dioxide
Select your answer:

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Nervous System › ViewThis is a thick column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system.
A. Vertebrae
B. Spinal cord
C. Reflex action
D. Membrane
E. Medulla
Heart › View
If a person’s heart is pumping 5000 mL of blood in one minute and the heart rate is 50 beats per minute, what is the cardiac output?
A. 250,000 mL/min
B. 25,000 mL/min
C. 100 mL/min
D. 1000 mL/min
E. None of these are correct.