2.3 More Detailed Study

Question 1

What process does specialised cell undergo?

Answer 1

Specialised cells undergo differentiation to become specialised cells.

Question 2

State three characteristics of epithelial cells.

Answer 2

-Layers the inner and outer surface of body such as internal organs and skin
-Undergoes structural modification
-Provides protection from infection, mechanical injury and dehydration.

Question 3

Epithelial tissues on the outer skin

Answer 3

-Regulates body temperature
-Protect tissues and organs under the skin
-Prevent dehydration of skin

Question 4

Epithelial tissues on the surface of the intestine

Answer 4

-Absorb nutrients
-Goblet cell secretes mucus
-Secretes digestive enzymes

Question 5

Epithelial tissues on the surface of the trachea.

Answer 5

-Cilia filter dust
-Goblet cells secretes mucus to trap air particles