Page 33 - Viva ICSE Science 5 : E-book

2. All bones of the skull are immovable.

3. Femur is joined to tibia and fi bula at the elbow.

4. Ball and socket joint allows rotation only.

5. Muscles regulate body heat.

6. Sitting with bent back puts pressure on backbone.

C. Match the following.

Column A Column B

1. Hinge joint (a) Wrist

2. Ball and socket joint (b) Elbow

3. Pivot joint (c) Shoulder

4. Gliding joint (d) Between the head and
the neck

D. Tick () the correct answer.

1. The upper arm has a single long bone called __________.

(a) humerus (b) femur

(c) ulna (d) tibia

2. __________ present in the upper leg is the longest bone in the body.
(a) Humerus (b) Femur

(c) Tibia (d) Ulna

3. The backbone consists of __________ irregularly shaped small bones called

the vertebrae.
(a) 31 (b) 32

(c) 33 (d) 34

4. Which of the following our body requires for healthy bones and muscles?

(a) Vitamin D (b) Proteins

(c) Calcium (d) All of the above

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