Question

1.) Is aorta the largest artery in the human body ?

2.) Which is the largest vein in the human body ?

3.) What is the component in haemoglobin that makes blood red ?

4.) What is residual volume ?

5.) What is the difference between chemical and bio-chemical processes ?

Answer 1

1. Yes, aorta is the largest artery in the body.

2. The inferior vena cava is the largest vein in the body.

3. The red colour of haemoglobin is die to porphyrin ring in it.

4. Residual volume is the volume of air that remains in the lung after maximum expiration.

5. Biochemical processes are also chemical processes that occur inside living organisms. Biochemical processes require enzymes while chemical processes do not.