Question

Q.16.Assertion:Human heart does not allow mixing of oxygen rich blood with carbon dioxide rich

blood.

Reason: Human heart has different chambers.​

Answer 1

Answer:

Both assertion and reason is correct

Explanation:

since all four chambers are separated by septa...this does not allow mixing of oxygenated blood and deoxygenated blood ..thus increasing efficiency of human heart

Answer 2

Both Assertion and Reason are correct and Reason is the correct explanation of the assertion.

HUMAN HEART -

• A human heart is a muscular structure of fist size.
• It consists of four chambers: two atria and two ventricles.
• The left and right chambers are separated by the presence of a muscular wall known as the septum.
• The atria are separated from the ventricle by the valves that control the blood of blood.
• The Right part of the heart carries deoxygenated blood from the heart to the lungs for oxygenation.
• The left side of the heart carries oxygen-rich blood that is supplied to the body parts to perform metabolic activities.