Biology - Body Fluids and Circulation Question with Solution | TestHub
Identify A and B respectively in the following diagram:
Select the correct option from the following
Options:
Answer:
Solution:
Based on the provided diagram of double circulation:
1. Blood from the body organs (deoxygenated blood) is carried to the heart and enters the chamber labeled A. This indicates that A represents the right side of the heart.
2. Blood from the lungs (oxygenated blood) is carried to the heart and enters the chamber labeled B. This indicates that B represents the left side of the heart.
3. The labels A and B are specifically pointing to the openings between the upper chambers (atria) and lower chambers (ventricles), which are guarded by the atrioventricular (AV) valves.
4. The valve present on the right side of the heart (between the right atrium and right ventricle) is the tricuspid valve.
5. The valve present on the left side of the heart (between the left atrium and left ventricle) is the bicuspid valve (also known as the mitral valve).
Therefore, A is the tricuspid valve and B is the bicuspid valve.
Answer: Tricuspid valve, Bicuspid valve
