Name the bone structure which protects brain.

Air reaches lungs through this organ

Which of these organs is not part of respiratory system?

Number of bones that form human skeleton system.

Which of the following action causes air pollution

Name the digestive juice produced by Liver.

The organs which we do not see are __________________

Identify this process.

Identify this organ system.

Name this exercise.

Select all the benefits of deep breathing.

A dome-shaped sheet of muscles is called ______________

There are two bean-shaped kidneys inside our abdomen.

Liver stores energy in the form of glycogen.

Heart lies on the right side of our chest cavity

Tissues form the cells.

Cell is the smallest part of the body

Stomach is responsible to filter the blood and remove wastes from it.