2.3.1 Epithelial tissues & Muscles

Question 1

What is the role of Epithelial Tissues on the OUTER SKIN ?

Answer 1

• protects tissues & organs under the skin
• prevents dehydration of skin
• regulates body temperature

Question 2

What is the role of the Epithelial Tissue on the SURFACE OF INTESTINES ?

Answer 2

• form goblet cells

- secretes mucus, digestive juice and nutrients absorptions.

Question 3

The role of Epithelial tissue on TRACHEA .

Answer 3

• form goblet cells using cilia

- secrete mucus to trap dust & small particles in the air

Question 4

The role of Epithelial tissue on TUBULES & GLANDS .

Answer 4

• involved in absorption & secretion

- some have microvili for absorption

Question 5

What is the function of the Skeletal muscle ?

Answer 5

• attached to skeletal frame
• contracts & relaxes to produce movements
• under voluntary control

Question 6

What is a cardiac muscles ?

Answer 6

• an interconnected muscle fibres that forms the wall of the heart.

Question 7

What is the movement of the cardiac muscles ?

Answer 7

• contracts to pump blood to the whole body

Question 8

Where can you found Smooth muscles ?

Answer 8

• blood vessels
• digestive tract
• urinary tract

Question 9

What is the role of Smooth muscles ?

Answer 9

involved in Peristalsis along the alimentary tract

Question 10

What formed the nerve tissues ?

Answer 10

nerve cells called neurones

Question 11

What is the function of nerve tissues ?

Answer 11

send & receive biochemical signals to control & coordinate the whole body

Question 12

EXTRA

State 3 types of neurone

Answer 12

1. Sensory neurone
2. Motor neurone
3. Relay neurone