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What Are Their Functions? - Biology

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प्रश्न

What are their functions?

टीपा लिहा

उत्तर

The function of turbinates: It increases the surface area so that dust particles can be removed and air become humidified.

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पाठ 19: Respiratory System - Exercise [पृष्ठ १७६]

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फ्रँक Biology [English] Class 9 ICSE
पाठ 19 Respiratory System
Exercise | Q 3.2 | पृष्ठ १७६

संबंधित प्रश्‍न

Which gases are exchanged in your lungs?


During inspiration, the diaphragm


During respiration there is


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 : 

Residual volume (RV)


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.


Fill in the blank.

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


Fill in the blank.

________is a muscular membrane present below the lungs


Fill in the blank.

The Malpighian body consists of Bowman’s capsule and _____________.


Write true or false for the following statement. Rewrite the false statement correctly.

The microscopic air sacs present in the lungs are called bronchi.


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

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


Find the odd one out. Give a reason for your choice.

skin, heart, lung, liver, kidney


Define the following:

Dyspnea


Give the functions of the following:

Epiglottis


Name the cartilage which divides the nasal cavity into right and left nasal chambers.


Match the following.

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

A biochemical compound that readily combines with oxygen and distributes it throughout the human body is ____________.


______ are located within the chest cavity.


Match the following

i. Alveoli a. Yeast
ii. Ethanol b. Gaseous exchange
iii. Diffusion c. Amino acids
iv. Protein d. Perfume

Regarding the functions of our respiratory system, mark the wrong entry.


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