Available Answers

1. 1.

   From your previous knowledge, can you tell which organs are protected by the ribcage? Follow these clues:

   1. A pair of _______________ which helps us to breathe.
   2. One organ that is the 'pump' of the body _______________.
2. 2.

   Bend your hand at the elbow. Which of these pictures describes the movement at your elbow?

   

   • Can you move your lower arm backward from the elbow joint? ______________
   • Try the same with the leg at the knee joint. Can you move the lower leg backwards from the knee? ______________
3. 3.

   You wish to lift your school bag, and your hand carries out the action. Is this movement under your control?

4. 4.

   Your food passes down the food pipe. Is this movement under your control?

5. 5.

   Put your palm on your chest and feel your heart beating. Do you have to tell your heart to beat?

6. 6.

   Choose the correct option. (MCQs)

   1. Which of the following parts of our body does not help in movement?
      1. Muscles
      2. Joints
      3. Skeleton
      4. Stomach
   2. Humerus is a bone found in the
      1. leg
      2. lower arm
      3. upper arm
      4. shoulder girdle
   3. Which type of joint allows the nodding of our head?
      1. Pivot
      2. Hinge
      3. Ball and socket
      4. Gliding