Environmental Scienc ...

Q1.

State True (T) or false (F).

a.

b.

c.

d.

e.

     f.

Usually child is born with 300 soft bones. ___________

Bones are living tissue. _________

Bones are weak but light in weight as they are hollow from inside.. ___________

The human rib cage is made up of 24 paired rib bones._______

In human body there are two pairs of limbs. ___________

The ribcage forms part of the body’s digestive system. ___________

Q2.

Fill in the blanks.

a.

b.

c.

d.

            e.

f.

The body is supported by a framework of bones called _______________.

The joint may be movable or ____________________.

__________________ is the only part of the skull that can move.

_______________ is the largest bone in our body.

Bones have hard outer layer called ____________ bone, which is strong, dense and tough.

The skeletal system is made up of ___________ bones.

Q3.

Match the following.

A joint

are soft, fleshy but strong tissues that are attached to the bones

Muscles

provides a protective case for the brain and supports the structures of the face

Hinge joint

is junction where two or more bones meet

The ribs

This type of joint moves only in one direction

The skull

are delicate bones that enclose and protect the chest cavity, where organ such as heart and lungs are located

Answer the following:

Define vertebral column.

___________________________________________________________

___________________________________________________________

Explain skeletal system.

___________________________________________________________

___________________________________________________________

___________________________________________________________

Differentiate between hinge joint and pivot joint?

___________________________________________________________

___________________________________________________________

Write functions of the following:

Skull ______________________________________________________

___________________________________________________________

Bones _____________________________________________________

___________________________________________________________

Spine ______________________________________________________

___________________________________________________________

Muscles ____________________________________________________

___________________________________________________________