Home
Class 9
BIOLOGY
One should breathe through the nose and ...

One should breathe through the nose and not through the mouth. Explain.

Text Solution

Verified by Experts

Nose contains hairs as well as mucous membrane which traps the dust particles and germs from entering in the respiratory system whereas if we breathe through mouth, the dust particles and germs will directly enter inside the respiratory system. Therefore, one should breath by nose and never by mouth.
Promotional Banner

Topper's Solved these Questions

  • RESPIRATORY SYSTEM

    ICSE|Exercise TOPIC-1 (3 Marks Questions) |21 Videos

  • RESPIRATORY SYSTEM

    ICSE|Exercise TOPIC-1 (5 Marks Questions) |35 Videos

  • RESPIRATORY SYSTEM

    ICSE|Exercise TOPIC-2 (5 Marks Questions) |14 Videos

  • RESPIRATION IN PLANTS

    ICSE|Exercise 5 Mark Questions |36 Videos

  • SEEDS - STRUCTURE AND GERMINATION

    ICSE|Exercise TOPIC 2 (3 Marks Questions )|5 Videos

Similar Questions

Explore conceptually related problems

The process of taking in food through the mouth is called

Air is breathed through the following pathway in humans

Breathing through nose is healthier than breathing by mouth. Why?

Ejection of stomach contents through the mouth is called ___.

A : Vomiting is the forcible expulsion of the contents of the upper gastrointestinal tract through the mouth. R : The strongest stimuli for vomiting are irritation and distension of the stomach.

Can sound travel through a vacuum ? Describe an experiment to explain your answer.

Members of bee colony recoginse one another through

Both transverse and longitudinal mechanical waves can propagate through a solid, but only longitudinal wave can propagate through a gas. Explain.

Explain, why in daylight an object appears red when seen through a red glass and black when seen through a blue glass?

A galvanometer has a resistance of 98Omega . If 2% of the main current is to be passed through the meter what should be the value of the shunt?