Available Answers

1. 1.

   
   Which system do all the above picture join to form?

2. 2.

   Name some internal and external organs.
3. 3.

   How many bones are present in an adult being?
4. 4.

   Where are blood cells produced?

5. 5.

   List out the functions of skull.
6. 6.

   How many vertebrae are present in your backbone?