Respiratory System Quiz

What is a function of the respiratory system?

• provide shape and structure of the human body

• protect the body against germs - defense system

• exchange oxygen and carbon dioxide between the body and air

• transport oxygen and nutrients throughout the body

Which of the following organs is NOT a part of the respiratory system?

• liver

• lungs

• nose

• trachea

The act of breathing in oxygen is called _______.

• Exhaling

• Inhaling

• breathing

• non of the above

The act of eliminating carbon dioxide from the body is called _______.

• Exhaling

• Inhaling

• breathing

• non of the above

Air must be ________ before entering the body?

• dried up

• oxygenated in the trachea

• have vitamin C added

• warmed and cleaned

Which of the following does air enter the body first?

• trachea

• nasal cavity

• lungs

• diaphragm

Once air enters the nasal passages it follows the following pathway?

• pharynx → larynx → trachea → bronchi → lungs

• pharynx → trachea → larynx → bronchi → lungs

• lungs → bronchi → trachea → pharynx → larynx

• trachea → larynx → pharynx → lungs → bronchi

Air begins its journey in the body in which of the following?

• trachea

• nasal cavity

• lungs

• diaphragm

Number the correct order of air exchange in the body.