Choose the odd one out and give a scientific reason.

Blood, blood vessels, heart, kidney

Choose the odd one out and give a scientific reason.

Superior vena cava, inferior vena cava, aorta, capillary

Give one word for the following.

The thickest blood vessel.

Give one word for the following.

A pigment that causes the red colour of blood.

Give one word for the following.

The universal recipient.

Give one word for the following.

Pressure exerted by the blood against the wall of arteries.

Give one word for the following.

Bead-like structures found in the lymph vessels.