Respiratory system

Which of these is part of respiratory system ?

• Heart

• Lung

• Kidney

• Stomach

The lungs are enclosed in the chest by the

• Ribs

• Ribcage

• Collar bone

• Skull

The air passages of the lungs form a highly branching network called

• Bronchial tree

• Trachea

• Cavity

• None of the above

Wind pipe is called

• Oesophagus

• Alveoli

• Trachea

• None of the above

Small microscopic air sacs in the lungs are called

• Trachea

• Alveoli

• Bronchioles

• None of the above

Cigarette smoke contains a strongly addictive drug called

• Nicotine

• Carbon

• Oxygen

• None

This drug in cigarrates can cause cancer

• Carbon

• Coffeee

• Nicotine

• None

This pumps blood in the whole body

• Heart

• Lungs

• Brain

• None

These carry blood away from the heart to other organs

• Veins

• Blood vessels

• Arteries

• None

These carry blood from the organs to the heart

• Artery

• Blood vessels

• Veins

• None