STANDARDZoology-Respiratory System
STANDARD Zoology Alveoli MCQ Question
Type: MCQ-conceptual-Medium
Which of the following statement is correct about alveoli?
A
Alveoli are primary sites for gaseous exchange
B
its walls are one celled thick
C
partial pressure of oxygen in alveoli is 104 mm hg
D
all of the above
Correct Answer
Option D
Detailed Explanation
Pulmonary edema is caused by congestive heart failure. When the heart is not able to pump efficiently blood can back up into the veins that take blood vessel increases fluid is pushed into the air spaces in the lungs.
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