Available Answers

1. 1.

   Tick (√) the correct option.

   1. The back bone is made up of 33/22 small bones. 
   2. The floating ribs are jointed to the backbone/sternum.
   3. Radius and ulna are bones in the lower leg/arm.
   4. The skeleton consists of 206/260 bones.
   5. The longest bone in the body is femur/humerus.
2. 2.

   Complete the flow chart given below.

   

3. 3.

   Choose the correct answer.

   1. The number of bones in the skull are _____________ 
      1. 22
      2. 32
      3. 42
   2. Part of the skeleton that forms its main axis is the _____________ 
      1. femur
      2. backbone
      3. skull
   3. Hinge joint is found in _____________
      1. shoulder
      2. wrist
      3. knee
   4. The last two pairs of ribs that are joined to the backbone are called _____________
      1. sternum
      2. floating
      3. femur
   5. The cardiac muscles are found in _____________ 
      1. heart
      2. lungs
      3. brain
4. 4.

   Understand the analogy and fill in the blanks.

   1. Brain : _____________ :: Lungs : Ribcage
   2. Arms : Voluntary muscles :: Stomach : ____________
   3. Skull : Immovable joint :: Knee : _____________
   4. Wrist : ___________ :: Hip : Ball and Socket joint
   5. Skull : 22 Bones :: _____________ : 33 Bones
5. 5.

   Answer in one word.

   1. A long bone at the center of the chest
   2. Thigh bone
   3. The muscles that are under our control
   4. Place where two bones meet
   5. Strong elastic tissues which hold the bones together
6. 6.

   Define skeleton. What are its functions?