Plasma is a

Auricles and ventricles

We can feel the pressure of movement of blood through the____

RBCs is red due to presence of _______.

________ carry oxygenated blood from heart to body parts

_____ play an important role in fighting infection and destroy germs

_______ prevents clotting of blood

Extremely thin blood vessels that join arteries and veins.

The circulatory system regulates the body______.

Sedimentation is followed by

Which of the following liquid cannot be burnt?

Which of the following gases in air is highest in percentage?

Identify the movement of air

Identify the method of separating impurities shown in the above picture.

cold air is _____ than warm air.

Chlorine kills ______ present in water.

Identify the movement of air shown in the above picture

______ replaces impure and warm air with fresh and cool air.

Liquids have

The capacity to do work is called_____

Tube lights, torches and LED bulbs are the sources that give us

In which of the following cases, work is not done?

Suraj tried to push a wall but failed to move it, then

When sound waves fall on ear-drum they make it____

Identify the type of non renewable sources

______ is a form of energy that an object possesses because of its movement.

________ is a form of energy that is produced when an object vibrates

Coal and petroleum are ______ sources of energy

______ energy gives rise to many forms of energy