CBSE Class 5 EVS Organ Systems Worksheet

Q. 1 Fill in the blanks:

a. The air we breathe in passes from the wind pipe to the ____.

b. The thigh bone is connected to the hip by a ____.

c. _____ pairs of ribs make up a rib cage.

d. Urine leaves the kidneys through the ______.

e. There are ______ bones in an adult’s body.

Q. 2 Name the following:

a. Instrument used by the doctors to hear the heart beat.

b. Number of bones in the skull.

c. Sticky substance inside the nose which helps to filter the dust.

d. The organ of the digestive system where most of the digestion takes place.

e. The opening through which faeces pass out of the body.

Q. 3 Define the following:

a. Organ system

b. Digestion

c. Excretion

d. Joint

e. Vertebrae

f. Respiration

Q. 4 Write the functions of :

a. Spinal cord

b. Kidneys

c. Skeletal system

Q. 5 Differentiate between:

a. Internal & external organs.

b. Veins and arteries.

c. Voluntary and involuntary muscles.

d. Ball and socket joint & hinge joint.

Q. 6 Name the four different types of teeth that we have along with their numbers and functions.

Q. 7 Explain in a few lines:

a. What happens to food in the mouth?

b. How does exercise help your muscles?

c. How does living beings get energy from food?

Q. 8 Draw and label the diagrams of Digestive and Urinary system.

Q1 FILL IN THE BLANKS

i. --------------------------- pairs of ribs make up the ribcage.

ii. Doctors use a ----------- to hear our heartbeat.

iii. An -------------is a pair of the body that has a particular function.

iv. The spinal cord is a thick bunch of -----------

v. The bones of the spine are called--------------

Q 2 WRITE ‘TRUE’ OR ‘FALSE’

i. The brain and the spinal cord send messages through nerves.

ii. The large intestine digests food.

iii. Mucus produced by the nose helps to filter dust.

iv. The muscles in our heart and food pipe are voluntary muscles.

v. The pockets in the lungs fill up with air when we exhale.

Q3 CHOOSE THE RIGHT ANSWER

i. The skull has

a) 21 bones b) 2 bones c)44 bones

ii. The teeth we use for biting are called

a) Canines b) Incisors c) Premolars.

iii. The opening through which faeces pass out of the body is the

a) Anus b) Urethra c) Ureter.

iv. The joints at the knee ,ankle, and elbow are

a) Hinge joint b) Ball and socket joints c) Gliding joint.

v. Air enters the lungs through the

a) Arteries b) Ureters c) Bronchi

Q 4 ANSWER IN ONE WORD

i. I am a very hard substance that makes up your skeleton.

ii. I mix up and break down your food after you chew and swallow it.

iii. I Support your body and keep it tall and straight.

iv. We filter your blood and keep it clean.

v. We are hard and thin and we protect your important body parts inside your chest.

Q 5 DRAW AND LABEL THE FOLLOWING DIAGRAMS

i. Digestive System

ii. Types Of Teeth

iii. The Excretory System