Question

Fill in the blanks
1. ____________and _____________ form our skeletal system.
2. The _____________ in earthworm helps to get a good grip on the ground.
3. Cockroaches have ________ pair of legs and _________ pair of wings.
4. Small bones that constitute the backbone are called ________________.
5. Cartilage is found in _____________and _______________.
6. Ribs join _____________and ____________ together to form ribcage.
7. An organism with outer skeleton is ________________.
8. Snails move with the help of _______________.
9. __________ joints two bones.
10. Birds have ___________ bones and ___________ body.
Match the following
Part of body Type of joint
(a) Backbone Hinge joint
(b) Ankle Pivot joint
(c) Elbow Ball and socket joint
(d) Knee Carpals
(e) Neck Slightly movable joint
(f) Wrist Slightly movable joint
(g) Hip Ball and socket joint
(h) Shoulder Pivot joint
(i) Tip of finger Hinge joint

Name the following
1. Total number of bones present in an adult human :
2. The joint in our elbow :
3. The joint in our neck:
4. Part of the body protected by skull:
5. Part of the body protected by rib cage:
Answer the following:
1. Write any four features that help birds to fly:
Ans: (a) ………………………………………………………………………. (b)……………………………………………………………………………..
(c)……………………………………………………………………………..(d)……………………………………………………………………………

2. Write the difference between:
I. Bone and Cartilage.

Bone Cartilage





II. Vertebrates and invertebrates.
Vertebrates Invertebrates

Example: Example:

III. Ligament and tendons.

Ligaments Tendons


IV. Voluntary and involuntary movement.

Voluntary movements Involuntary movements

Example: Example:

3. Identify the following parts: foot bones, knee cap, ankle bones, thigh bone, hip bone, vertebrae, ribs, shoulder blade, collar bone, lower jaw, skull, and cranium.


4. Write any four functions of skeletal system.

Answer 1

3) 3pairs and 2 pairs

Answer 2

Answer:

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