Multiple Choice
To meet the high oxygen demands of flight, birds _____.
A) use simple lungs
B) use air sacs connected to their lungs
C) use carbon dioxide for respiration
D) can diffuse oxygen through their skin
E) use simple lungs and can diffuse oxygen through their skin
Correct Answer:

Verified
Correct Answer:
Verified
Q5: Gas exchange between the blood and interstitial
Q6: The following statements describe respiratory systems. Match
Q7: An average person has approximately _ liters
Q8: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8665/.jpg" alt=" -During swallowing, the
Q9: Pulmonary veins carry _.<br>A) oxygen-rich blood back
Q11: Identify the labeled structures of the circulatory
Q12: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8665/.jpg" alt=" -The structure labeled
Q13: The following statements describe respiratory systems. Match
Q14: In this diagram of the heart, A
Q15: The circulatory system below would be representative