Respiratory System by Cg Alif

Which organ is the biggest in the breathing system?

• liver

• lungs

• stomach

• heart

What is the ways of inhalation?

• lungs-mouth-trachea

• lungs-trachea-mouth

• Nose and mouth - trachea - lungs

• Mouth-nose-lungs-trachea

Which organ helps in the exchange of oxygen and carbon dioxide?

• heart

• liver

• lungs

• stomach

What is the tube called that connects the throat to the lungs?

• trachea

• pharynx

• bronchus

• esophagus

Which organ protects the respiratory system by filtering out dust and germs?

• mouth

• nose

• lungs

• stomach

What is the process of breathing in called?

• expiration

• respiration

• inhalation

• exhalation

Which is other organ that also involved in respiratory system to help the movement of blood ?

• stomach

• heart

• lungs

• brain

What is the process of breathing out called?

• inspiration

• exhalation

• respiration

• inhalation