Human Respiratory System-BSEK-Class 10

Epiglottis is the structure that opens or closes the trachea.

• TRUE

• FALSE

Exchange of gases in the body cells occurs in the bronchioles.

• TRUE

• FALSE

What is X?

• Trachea

• Bronchus

• Bronchiole

• Epiglottis

Name structure Y.

• Trachea

• Bronchus

• Bronchiole

• Alveolus

"Movements of the rib cage and diaphragm make the thoracic cavity smaller and cause the air pressure in the thoracic cavity to increase"

The situation happens during....

• inhalation

• exhalation

• excretion

• blood circulation

NUMBER 1 is

• Lungs

• Pharynx

• Mouth

• Alveoli

NUMBER 2 is

• Pharynx

• Bronchi 

• Alveoli

• Lungs

NUMBER 6 is

• Lungs

• Trachea

• Mouth

• Alveoli

NUMBER 6 is

• Lungs

• Trachea

• Mouth

• Alveoli

NUMBER 3 is

• Pharynx

• Trachea

• Bronchi

• Alveoli