CBSE Class 6 Science Movements of Body Assignment Set 02

Q1. Define:

1. Organ

2. Organ system

3. Tissue

4. Sprain

5. Cartilage

6. Ribcage

7. Locomotion

8. Vertebrates

Q2. Differentiate between:

1. Ligament and tendons

2. Vertebrates and invertebrates

Q3. Give one word answers for:

1. It protects lungs and the heart.

2. These contracts to pull the forearm up.

3. These joints allow the greatest freedom of movement.

4. These joints allow twisting movement.

5. Animals without a backbone.

6. Small, hollow bones.

7. It consists of bones of cranium and the facial bones.

8. Doctors who help to heal injuries of bones, joints and the muscles attached to bones.

Q4. Fill in the blanks:

1. Birds have light ____ bones.

2. Vertebrates moves with the help of _____ and ____.

3. Joints can be _____ or _____.

4. ____ have hard exoskeleton.

5. The joint of the head and neck is ______ joint.

6. The contraction of _______ pair of muscles attached to bones makes the movement of bones possible.

7. Running through the centre of the chest is the _____ or ______.

8. The bones of the ____ is the hardest of all the bones.

9. The human skeleton is made up of ____ bones.

Q5. Answer the following:

1. Name the organ systems that help us move the different parts of out body.

2. What is dislocation of bones?

3. Write the functions of hinge joints, pivot joints, ball and socket joints and gliding joints.

4. Explain the role of muscles in the movement of our forearm.

5. How does an insect walk?

6. What are the functions of the skeletal system?