Question

Which chamber of heart has the thickest wall?

• A. Right ventricle
• B. Left ventricle
• C. Right auricle
• D. Left auricle

Answer 1

The correct option is (B):

Explanation of the correct option:

1. The left ventricle has the thickest wall out of all the chambers.
   
2. The left ventricle is responsible for pumping the blood towards the tissues of the heart.
   
3. This is why more muscles contracting inside the left ventricle helps produce a higher force to move the blood towards the system. ​

Explanation of the incorrect options:

Option (A):

1. The right ventricle is responsible for pumping the blood to the lungs.
   
2. It has thicker walls compared to the two atrium, but thinner than the left ventricle.
   

Option (C):

1. ​Right auricle or the right atrium contains less cardiac muscles and hence thinner walls.
   

Option (D):

1. Left auricle or the left atrium contains less cardiac muscles and hence thinner walls.​

Final Answer: Left ventricle of heart has the thickest wall.