Page 44 - Active Science 5 Ebook and Activity

Practise Time

A. Choose the correct option for each of the following.

1. Skeletal system gives ___________ to the body.
a. shape b. movement

c. support d. all of these
2. Femur is a bone found in the ____________.

a. upper arm b. lower arm
c. shoulder d. thigh

3. Nodding our head is allowed by the ____________ joint.
a. ball and socket b. gliding
c. pivot d. hinge

4. Which of the following structures protects the brain?
a. Ribcage b. Backbone

c. Skull d. Forelimb
5. Which part does not belong to the eye?
a. Lens b. Cornea

c. Iris d. Vertebrae
6. Which is not true for our brain?

a. It is protected inside the ribcage.

b. It is always active, even when we are asleep.
c. It is the control centre of our body.

d. It is made up of voluntary muscles.

B. Fill in the blanks.

1. All the bones in our body are part of the ______________ system.
2. ______________ joint is found in toes.
3. Muscles in arms and legs are ______________ muscles.

4. ______________ controls our thought processes and logic.
5. The spinal cord is a bunch of ______________ that begins from the base of the brain.

6. The black circle in the centre of our eye is called the ______________.

C. Match the following.
1. The skeletal system a. controls all other organ systems of the body.

2. Spine b. passes on information between brain and other body parts.
3. Spinal cord c. found in ears and nose.

4. Cartilage d. protects the soft internal organs of our body.
5. The nervous system e. has small bones called the vertebrae.

44 Active Science-5