Question

What is the advantage of the wet & warm passage of air from nostrils to capillaries

Answer 1

When air pass through nostrils it becomes wet and warm to the body temperature.
The combination of cilia and mucous helps to filter out solid particles from the air an Warm and moisten the air, which prevents damage to the delicate tissues that form the Respiratory System. The moisture in the nose helps to heat and humidify the air, increasing the amount of water vapour the air entering the lungs contains. This helps to keep the air entering the nose from drying out the lungs and other parts of our respiratory system.

Answer 2

Answer:

(i) The moist surface of the lining of the Nascal cavity and the hair growing from it's sides, remove some of the tiny particlesof dirt in the Air.

(ii) In addition, the inhaled Air passes through the Nascal cavity, it's Temperature is brought close to that of the body and it makes up Water vapour so that it becomes more Moist than before.

(iii) Warming and Mositening goes on it Pharynx and also throughout the Respiratory tract.