Question:
What is skeleton? Draw a diagram to show the human skeleton.
Answer:
The bones in our body form a framework to give a shape to the body. The framework is called skeleton
Body Movements
Q 1.
Name organs that are protected by the rib cage?
Q 2.
Name a bird which can swim in water.
Q 3.
What is cavity in bone?
Q 6.
If you tie a scale with your arm, are you able to bend your elbow?
Q 7.
Why are fractured bones plastered?
Q 8.
Which part of the cockroach help in flying?
Q 9.
If there are no joints then will it be possible to move?
Q 10.
Name the various types of joint.
Q 11.
What do you mean by streamlined?
Q 12.
Write two ways by which we may know the shape of human skeleton.
Q 13.
Give an example of fixed joint.
Q 14.
Name the parts of the body which help in movement.
Q 15.
Name the organ in cockroach which helps in walking.
Q 16.
What are joints? Write the names of various types of joints.
Q 17.
Give two examples of ball and socket joint.
Q 19.
Can we bend our body at every part?
Q 20.
Give two examples of hinge joints.
Q 21.
Name a bird which can swim in water.
Q 22.
What are pelvic bones?
Q 23.
Name two animals which move without bones.
Q 24.
Name the places where two parts of the body are seen to be joined together.
Q 26.
What do you mean by movement?
Q 27.
Answer the following questions:
(a) What is a ball and socket joint?
(b) Which of the skull bones are movable?
(c) Why can our elbow not move backwards?
Q 28.
What are cartilages?
Q 29.
Indicate ‘true' and false' among the following sentences:
(a) The movement and locomotion of all animals is exactly the same.
(b) The cartilages are harder than bones.
(c) The finger bones do not have joints.
(d) The fore arm has two bones.
(e) Cockroaches have an outer skeleton.
Q 30.
Name three animals that have streamlined body.
Q 31.
What do you mean by fractured bone?
Q 32.
At which part does the arm rotate?
Q 33.
Write the differences between bones and cartilage.
Q 34.
How is a bird's body adapted for flying?
Q 35.
Name the three components of skeleton.
Q 36.
If there are no joints then will it be possible to move?
Q 37.
How many types of joints are there?
Q 38.
How does the snake move?
Q 39.
Why do we need two muscles together to move a bone?
Q 40.
Many people suffer from a problem called arthritis. Explain its connection with movement.
Q 41.
Give an example of animal which can walk, climb and fly in the air.
Q 42.
Give an example of pivotal joint.
Q 43.
Give an example of gliding joint.
Q 44.
How does the snail move?
Q 45.
What are shoulder bones?
Q 46.
Name the three components of skeleton.
Q 47.
Fill in the blanks:
(a) Joints of the bones help in the_____________ of the body.
(b) A combination of bones and cartilages forms the_______________ of the body.
(c) The bones at the elbow are joined by a______________
(d) The contraction of the____________ pulls the bones during
Q 48.
How does the earthworm move?
Q 49.
What is skeleton? Draw a diagram to show the human skeleton.
Q 50.
How does fish move in water?
