Q1. Fill in the blanks.
i. We are able to bend or rotate our body in places where two parts of our body seem to be joined together. These places are called_______.
ii. We are able to bend or rotate our body only at_________.
iii. Bones and ___________forms skeleton of human body.
iv. __________gives frame and shape to our body and helps in movement.
v. In a ___________joint a cylindrical bone rotates in a ring.
vi. ____________images are used to find out about any possible injuries that might have happened to the bones.
vii. __________protects brain.
viii. Our skeleton is made up of many_________, joints and cartilage.
ix. The rounded structure snail carries on its back is called_______.
x. ______on the body of fish mainly help to keep the balance of their body.
xi. Snakes have a _______backbone.
xii. Snails move with the help of a______________.
i. Bones cannot be bent. ______
ii. Hinge Joint allows movement in all directions. ______
iii. Elbow has fixed joint. ______
iv. Bone in our arm is joined to our shoulder by ball and socket joint. _____
v. The joint between the upper jaw and rest of head is moveable. ______
vi. Bones in our body forms framework to give shape to our body. This framework is known as skeleton. _______
vii. Ribs join the chest bone and back bone together to form box called skeleton. ________
viii. The skull is made of many bones joined together. _______
ix. Cartilage is also found in the joints of the body. ______
x. Cockroaches have three pair of wings attached to breast. ______
xi. The snake moves forward very fast and not in a straight line. _____
Q3. Write name of two animals which can move without bones.
Q4. Write three animals that have streamlined body.
Q5. Name one animal which can walk and climb as well as fly in the air.
Q6. Name two birds which can swim in water.
Q7. Name an aquatic animal whose skeleton is made entirely of cartilages?
Q8. Where is cartilage found?
Q9. What is cavity in bones?
Q10. Which organs are protected by the rib cage?
Q11. What are ribs?
Q12. What is skull?
Q13. Name the organ which help cockroach in walking.