Multiple Choice
When you are breathing normally, exhalation results mainly from
A) the contraction of muscles in the chest.
B) the contraction of the diaphragm.
C) the relaxation of the chest muscles and diaphragm.
D) low pressure in the lungs.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q12: The tracheal system of an insect is
Q13: Cigarette smoke can affect the white blood
Q46: In the countercurrent exchange system of fish
Q49: Cigarette smoking and secondhand smoke cause cancer
Q50: Which of the figures below represents countercurrent
Q51: Some crocodiles and turtles have an exceptional
Q54: Which part of the diagram shows alveoli?
Q55: When you exhale, you<br>A)exchange CO₂ for O₂.<br>B)take
Q56: When bar-headed geese fly at very high
Q68: When you hold your breath, which of