Chapter 5 (Body Movements)

Question 1

What are called joints?

Answer 1

Two parts of our body seem to be joined together are called joints.

Question 2

Can bones be bent?

Answer 2

No

Question 3

Two examples of ball and socket joints.

Answer 3

Shoulder and Hip joints

Question 4

What is a Pivotal joints?

Answer 4

A joint where our neck joints the head is a Pivotal joints

Question 5

Examples of Pivotal joints

Answer 5

Head and neck

Question 6

Examples of Hinge joints

Answer 6

Elbow and knee joint

Question 7

The only part of our face that is not fixed is _____.

Answer 7

Lower jaw

Question 8

What is a Skeleton?

Answer 8

The framework of our body is called skeleton.

Question 9

What is called carples?

Answer 9

They are small bones seen in our hands.

Question 10

Number of ribs in our chest

Answer 10

12

Question 11

Number of vertebraes in our backbone?

Answer 11

33

Question 12

What is called a cartilage?

Answer 12

Additional parts of our skeleton that are not hard as bones but can be bent are called cartilage

Question 13

Muscle work in ______.

Answer 13

Pairs

Question 14

Describe an earthworm’s body.

Answer 14

The body of an earthworm is made up of many rings joint end to end.

Question 15

What help earthworms to stick in the ground?

Answer 15

Under its body, it has a large number of tiny Bristles (hair-like structures) projecting out. These help the earthworm to take a grip on the ground. The bristles are connected with muscles.

Question 16

Is the outer skeleton of snail made of bones?

Answer 16

No

Question 17

Describe a cockroach..

Answer 17

Cockroaches walk and climb as well as fly in the air. They have three pairs of legs, which help in walking.The body is covered with hard outer skeleton.

Question 18

Describe Birds.

Answer 18

Birds fly in the air and walk on the ground. Some Birds like ducks and swans also swim in water. The birds can fly because their bodies are well suited for flying. Their bones 🦴 are hollow and light

Question 19

Describe fish.

Answer 19

The head and tail of the fish are smaller than the middle portion of the body. The body tapers at both ends. This body shape is called Streamlined. The skeleton of the fish is covered with strong muscles.

Question 20

Describe Snakes.

Answer 20

Snakes have a long backbone. They have many thin muscles. Muscles also interconnect the backbone. The snake’s body curves into many loops. Each loop of the snake gives it a forward push by pressing against the ground.

Question 21

Name a book of the ancient Greek philosopher Aristotle.

Answer 21

The “Gait of Animals.”

Question 22

Name the four joints

Answer 22

Ball and socket joint pivotal joint
Hinge joint
fixed joint