resparatory mcq

Main function of respiratory system.

Gas exchange

The process of taking oxygen into the body is called.

Inspiration

The process of expelling carbon dioxide is called.

Expiration

The organ responsible for respiration.

Lungs

Respiratory system supplies the body with.

Oxygen

Respiratory system removes.

Carbon dioxide

The passage of air starts from the.

Nose

Air is filtered in the.

Nasal cavity

Warming and moistening of air occurs in the.

Nasal cavity

The tube connecting pharynx to lungs is the.

Trachea

Another name of trachea.

Windpipe

The trachea divides into.

Bronchi

Each lung is supplied by a.

Bronchus

Smaller branches of bronchi are called.

Bronchioles

Gas exchange occurs in the.

Alveoli

Alveoli are surrounded by.

Blood capillaries

The right lung has.

Three lobes

The left lung has.

Two lobes

The muscle that helps in breathing.

Diaphragm

Downward movement of diaphragm causes.

Inspiration

Upward movement of diaphragm causes.

Expiration

Organ that separates thoracic and abdominal cavities.

Diaphragm

The lungs are protected by.

Rib cage

The respiratory center is located in the.

Medulla oblongata

The pathway of air includes all except.

Esophagus

Respiratory system works with which system for transport of gases.

Circulatory system