(a) Unscramble the jumbled words and write them in the blank spaces provided.

(i) neosb ……………….

(ii) themevom ………………..

(iii) iontcaronct …………………

(iv) lsecsum …………………

(v) arctigeal …………………….

(vi) epahs …………………….

(vii) sangro inerlan …………………….

(viii) laxaaeriont ……………………

Which type of movement would have been possible if

(a) our elbow had a fixed joint?

(b) we were to have a ball and socket joint between our neck and head.

Earthworms are known as ‘farmer’s friends’. Why?

Read the following paragraph and fill in the blanks using the words you unscrambled.

………(a)…….. and ………(b)…….. from the skeleton of the human body. They provide the framework. Give ……………(c)……….. to the body and help in ………….(d)………… They protect the …(e)……. The bones are moved by alternate …….(f)….. and …….(g)…… of two sets of ……(h)……… attached to them.

How is the skeleton of a bird well-suited for flying?