Respiratory System of Human

Nostril filter and cleans air to remove particles and allergens.

Write the functions of nostrils.

The lung is an organ that helps in reproduction.

What are lungs and their function?

Diaphragm increases chest cavity.

What are the diaphragm and its function?

The nasal cavity is situated near the earlobe.

What are the nasal cavity and its function?

At the time of inspiration, the diaphragm contracts, increasing the pulmonary volume thereby reducing the intrapulmonary pressure to less than the atmospheric pressure and air moves into the lungs.

Draw a labelled diagram of respiratory organs of human.

We can live for a day without food. But we cannot live even for a few minutes without air. Why?

Name the structure which moves dust particles away from lungs.

Name some organisms that breath through lungs.

The lungs contain millions of minute bronchi.

Discuss human respiratory system with a well lebelled diagram.

To produce energy in living beings, food and _____ are essential. (reproduction/ respiration)

The larynx has fold of tissue which vibrate with the passage of air to produce.

Which of the following is not a part of the human respiratory system ?

Discuss the main functions of nostrils?

Choose the appropriate word from the brackets. (circulation, trachea, diaphragm)

 Air that enters through the nose passes into _____ tube.