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Define the Following: Apnea - Biology

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प्रश्न

Define the following:

Apnea

परिभाषा

उत्तर

Apnea: A condition in which no breathing takes place.

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अध्याय 19: Respiratory System - Exercise [पृष्ठ १७६]

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फ्रैंक Biology [English] Class 9 ICSE
अध्याय 19 Respiratory System
Exercise | Q 9.5 | पृष्ठ १७६

संबंधित प्रश्न

Draw a neat and labelled diagram.

Respiratory system


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

Photosynthesis and Respiration (Reactants)


Give Suitable Explanation for the Following :

Breathing through the nose is said to be healthier than through the mouth.


Given alongside is a diagrammatic sketch of a kind of part in human lungs.

What do the arrows 5 and 6 indicate?


Starting from the nostrils, trace the path in sequence which the inspired air takes until it reaches the air sacs.


What are the functions of the following in breathing? 

Ribs


The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.

The following diagram shows a group of the lung volumes and capacities.

Study the diagram carefully and explain briefly the following :

 Expiratory reserve volume (ERV)


Answer briefly the following:

What is the role of epiglottis during swallowing?


What do you understand by the term respiratory diseases? Name any three common respiratory diseases.


Differentiate between

bronchi and alveoli.


Give the structure of a trachea.

Define the following:

Dyspnea


Which organ is involved in respiration?


What is respiration?


______ of nasal chamber warms the air and makes it moist.


Choose the odd one:


Arrange in the correct sequence

Trachea → Bronchi → Pharynx → Lungs → Larynx → Nasal cavity → Nostrils → Bronchiole → Alveolus


Diaphragm forms the ___________ of the chest cavity.


What is the significance of ciliated epithelium present in the nostrils?


Name the lymphoid organ present in the human pharynx.


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