Answer:The left ventricle has the thickest wall out of all the chambers. The left ventricle is responsible for pumping the blood towards the tissues of the heart. This is why more muscles contracting inside the left ventricle helps produce a higher force to move the blood towards the system.
Explanation:a) They have thick elastic walls, blood flows under high pressure; collect blood from different organs and bring it back to the heart. (b) They have thin walls with valves inside, blood flows under low pressure and carries blood away from the heart to various organs of the body.