मराठी

What is Wrong in the Statement "We Breathe in Oxygen and Breathe Out Carbon Dioxide". - Biology

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प्रश्न

What is wrong in the statement "We breathe in oxygen and breathe out carbon dioxide".

टीपा लिहा

उत्तर

We inhale air which contains more oxygen and less carbon dioxide. We exhale air which contains more carbon dioxide and less of oxygen. Therefore, the statement "We breathe in oxygen and breathe out carbon dioxide" is wrong.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 14: The Respiratory System - Short answer type [पृष्ठ १४८]

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सेलिना Concise Biology [English] Class 9 ICSE
पाठ 14 The Respiratory System
Short answer type | Q 7 | पृष्ठ १४८

संबंधित प्रश्‍न

With the help of a suitable diagram, describe the conducting system of the human heart.


Differentiate between the following pairs on the basis of the aspect given in the brackets.

Respiration and Breathing (Organs involved)


With regard to the respiratory system and the process of respiration in man, answer the following question:

Briefly describe how the above mentioned muscles help in the inspiration of air. 


Name the following:

The microscopic air-sacs of the lungs.


Fill in the blank.

In human beings, the exchange of gases takes place in _____.


Arrange the following organs in the correct order to show the path of air.

trachea, nose, bronchioles, bronchi, larynx, alveoli, pharynx, lungs


What is the function of lecithin film in the lungs?

What is breathing?


Define the following:

Cough Reflex


Name the following:

Sound producing organ.


Give the functions of the following:

Conchae


Note the relationship between the first two words and suggest a suitable word for the fourth place.

Nasal Chamber __ Accliamatization, Larynx __ ______.


Discuss the function of the diaphragm in breathing.


Match the following.

1. Digestive System Kidney
2. Respiratory system Brain
3. Circulatory system Alimentary canal
4. Excretory system Heart
5. Nervous System Lungs

Which one of the following has the smallest diameter?


In respiration, air passes through:


The lungs are covered by a double-layered ______.


Pick the odd one out from each of the groups given below on the basis of respiratory organs. Give a reason for your answer.

snake, tadpole, crow, goat


Measure the breathing rate of the members of your family and some of your friends. Investigate:

  1. If the breathing rate of children is different from that of adults.
  2. If the breathing rate of males is different from that of females If there is a difference in any of these cases, try to find the reason.

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