Name the pigment which gives a red colour to the human blood.

Give one word for the following:

The red protein which gives red colour to the red blood cells.

Give one word for the following:

Loss of water in the form of water vapour from a plant body.

Give one word for the following:

A fine network of arteries joining the veins.

What do you understand by vascular bundle?

What do you understand by:

Heart, a double pump system

What do you understand by diffusion?

What do you understand by transpiration pull?

What do you understand by membrane?