Topik 4

Question 1

What is respiratory system?

Answer 1

System which obtains 0² and eliminate CO²

Question 2

Airway of respiratory system

Answer 2

Conduction airway- nose to bronchiole
Respiratory airway - bronchiole to alveolus
Upper respiratory tract - nose,mouth, pharynx, epiglottis,larynx, trachea
Lower respiratory tract - bronchiole/lungs

Question 3

What is function of upper respiratory

Answer 3

Passageway for respiration, receptors for smell, moist air

Question 4

Function of pharynx

Answer 4

Passageway for food/air

Question 5

Function of lower respiratory

Answer 5

Bronchi- branch into lung
Lungs - transport air to alveoli for gaseous exchange

Question 6

How much lobes at right /left lung

Answer 6

3 lobe - right (2 fissure)
2 lobe- left (1 fissure)

*Pulmonary arteries bring oxygenated blood to lungs
*Pulmonary veins bring deoxygenated blood from alveoli to heart

Question 7

Structure bronchi, branchioles, alveoli

Answer 7

Bronchi- btg yg bercabang mcm pokok
Branchioles - bulat ii tu
Alveoli- dlm branchioles

Question 8

Function of alveoli

Answer 8

Air sacs, wall thick, surround by capillaries, gaseous exchange