HardZoologyBreathing and Exchange of Gases
+4 / -1
The diffusion membrane is made up of:
A
Squamous epithelium of alveoli
B
Endothelium of alveolar capillaries
C
Basement substance between them
D
All of the above
Explanation
The total thickness of these three layers is less than a millimeter, allowing for efficient gas exchange.
Previous
Solubility of CO2 is ______ times higher than that of O2.
NextPartial pressure of Oxygen (pO2) in deoxygenated blood is:
More from Breathing and Exchange of Gases
Medium
The figure given below shows a small part of human lung where exchange of gas takes place. In which
HardMatch the Following: (a) Asthma 1. Inflammation of nasal tract(b) Bronchitis 2. Spasm of tracheal mu
HardThe rate of breathing is primarily controlled by the concentration of:
MediumThe respiratory rhythm centre is located in the:
MediumThe enzyme required for the transport of CO2 as bicarbonate is:
MediumEvery 100 mL of deoxygenated blood delivers approximately ______ of CO2 to the alveoli.
Practice Zoology Exams
Full-length mock tests with detailed analytics, rank, and percentile.
Browse Exams