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 joints.
ii. We are able to bend or rotate our body only at joints.
iii. Bones and cartilage forms skeleton of human body.
iv. Skeleton gives frame and shape to our body and helps in movement.
v. In a pivotal joint a cylindrical bone rotates in a ring.
vi. X-ray images are used to find out about any possible injuries that might have happened to the bones.
vii. Skull protects brain.
viii. Our skeleton is made up of many bones, joints and cartilage.
ix. The rounded structure snail carries on its back is called shell.
x. Fins on the body of fish mainly help to keep the balance of their body.
xi. Snakes have a long backbone.
xii. Snails move with the help of a muscular foot.
i. Bones cannot be bent. True
ii. Hinge Joint allows movement in all directions. False
iii. Elbow has fixed joint. False
iv. Bone in our arm is joined to our shoulder by ball and socket joint. True
v. The joint between the upper jaw and rest of head is moveable. False
vi. Bones in our body forms framework to give shape to our body. This framework is known as skeleton. True
vii. Ribs join the chest bone and back bone together to form box called skeleton. False
viii. The skull is made of many bones joined together. True
ix. Cartilage is also found in the joints of the body. True
x. Cockroaches have three pair of wings attached to breast. False
xi. The snake moves forward very fast and not in a straight line. True
Ans. Snail and Earthworm
Ans. Fish, Whale and Birds
Ans. Ducks and Swans
Ans. Cartilage is found in joints and ear.
Ans. Cavity is the hollow space in the bones.
Ans. Heart and lungs are protected by the rib cage.
Ans. The ribs are thin, flat, curved bones that form the rib cage.
Ans. The skull is made up of many bones joined together.
Ans. Cockroaches have three pairs of legs. These help in walking.
Download to practice offline.