Available Answers

1. 1.

   Unscramble the names of organs systems with the help of hints given.

   1. It helps inn taking up oxygen form air     RYORTIESAPR MTSEYS	___________________
   2. It has stomach as one of its organ     SGIEDEVTI YEMSTS	___________________
   3. It helps in supplying oxygen and food to all cells    URLCYITCARO TSYMSE	___________________
   4. It is composed of hard structure called bones.     LKESELAT TMSYES	___________________

2. 2.

   State true or false for the given statements.

   1. The longest bone of our body is humerous.
   2. Vertual column is made up of 36 small bones.
   3. Bones marrow produces blood cells.
   4. Not all the ribs are joined to the breastbone.
3. 3.

   Classify the joints given in the box into the following types:

   1. Ball-and-Socket joint

   2. Pivot joint

   3. Immovable joint

   4. Gliding joint

    

   Skull-vertebrae joint

   Skull joint

   Wrist joint

   Hip joint

    

4. 4.

   Name the muscle type present in each part.

   1. Heart

   2. Food pipe

   3. Eyes

   4. Blood vessels

    

5. 5.

   Fill in the blanks.

   1. The number of bones that form the skeleton of a grown up are ________________.
   2. The longest bone in the body is ________________.
   3. The number of bones in your skull are ________________.
   4. The organ protected by the spine is ________________.
   5. The number of ribs that are part of the ribcage are ________________.
   6. The muscles which are not under our control are called ________________.
   7. ________________ are the strong tissues which hold the bones together.
6. 6.

   Match the following.

   1. Skull	(a) Ball and socket
   2. Upper arm	(b) Hinge joint
   3. Gliding joint	(c) Brain
   4. Ribcage	(d) Wrists and ankles
   5. Hip joint	(e) Heart and lungs