Worksheet on Body Systems

Worksheet on body systems contains various types of questions on several systems in our body. We know a group of organs work together to form a system and these several systems in our body keeps functioning whether we are awake or asleep.

I. Answer the following questions:

(i) What function is carried out by the fine hair in the nose?

(ii) Where does the process of digestion begin?

(iii) What is the function of the heart?

(iv) Give the names of the organs involved in the excretory system.

(v) What does the nervous system control?

(vi) Name the several systems in our body.

II. Fill in the blanks:

(i) The digested food in the small intestine is carried by the _________ to all parts of the body.

(ii) The blood supplies _________ and nourishment to all parts of the body

(iii) Removing the body wastes makes the body _________

(iv) Messages are carried to every part of the body through the _________

(v) The _________ protects the brain and eyes.

(vi) The ends of _________ are joined to the bones.


Check the answers of worksheet on body systems:


I. (i) The fine hair in the nose blocks the dust particles contained in the air.

(ii) The process of digestion begins with the chewing of the food.

(iii) The heart pumps blood through blood vessels to all the parts of the body.

(iv) The organs involved in the excretory system are skin, lungs, kidneys and the large intestine.

(v) Our actions and reactions are all controlled by this system.

(vi) The several systems in our body are the skeletal system, the muscular system, the respiratory system, the digestive system, the circulatory system, the excretory system, the nervous system and the reproductive system.

II. (i) blood

(ii) oxygen

(iii) healthy

(iv) nerves

(v) skull

(vi) muscles

Third Grade

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