Differentiate the following activities on the basis of voluntary (v) or involuntary (iv) muscles

(a) Jumping of frog

(b) pumping of heart

(c) writing with hand

(d) movement of chocolate in your intestine

Write true (T) and false (F).

(a) Epithelial tissue is protective tissue in animal body.

(b) The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.

(c) Epithelial cells have a lot of intercellular spaces.

(d) Epithelial layer is permeable layer.

(e) Epithelial layer does not allow regulation of materials, beyween body and external environment.

Differntiate between voluntary and involuntary muscles. Give an example of each type.

Fill in the blanks

(a) Lining of blood vessels is made up of .....

(b) Lining of small intestine os made up of .....

(c) Lining of kidney tubules is made up of ....

(d) Epithelial cells with cilia are found in ......of body.

Fill in the blanks

(a) Cork cells posses .... on their walls that makes them impervious to gases and water.

(b) ......have tubular cells with perforated walls and are living in nature.

(c) Bone posses a hard matrix composed of ... and ...