_________make up organs

(a)

Cells

(b)

Tissues

(c)

Organ system

(d)

None of the above

_________are called as building blocks of life

(a)

Cells

(b)

nucleus

(c)

Cell organelles

(d)

tissues

_______tissues for conduction of nerve impalses

(a)

Epithelial

(b)

Muscular

(c)

Nervous

(d)

Supporting

_____is a thin transparent membrane that is spread across the sclera

(a)

Cornea

(b)

Conjunctiva

(c)

Retina

(d)

Ciliary body

_________million alveoli located at the end of branchial tubes

(a)

480

(b)

300

(c)

100

(d)

200

Define cell.

Differ aqueous humour and vitreous humour.

What is homeostasis?

List out the organs which help to maintain homeostasis?

Define Osmoregulation.

What is respiration?

Define basal metabolism?

Define organ

What is the significance of stem cell?

Write down the classification of animal tissues.

Write a note on external structure of an eye.

Describe the structure of human lungs.

Explain the term Osmoregulation.

Explain the structure of an animal cell.