Question

discuss lungs volume

Answer 1

Answer.

Breathing is the process of the exchange of oxygen and carbon dioxide between external environment and body by the process of inspiration and expiration which is called respiration and this a very important process by which our body survives;

RESPIRATORY system is involved in breathing process and majorly lungs plays a major role in this

Normally as our body's every cell needs oxygen for survival so we inhale oxygen from the environment and these oxygen via lungs expansion goes till alveoli and from there get absorbed into the blood and circulates in whole body and waste carbon dioxide comes into the lungs and thrown out of the body.

Lungs are filled with the air and measured in the form of lungs volume and the capacities where the volumes is the measure of any one function that is inspiration or expiration where as the capacities are measure in respect of two functions.

So there are two things one is volume and capacity when we talk regarding only one function that is called volume and when two functions are considered together is called capacity , for examples amount of air that can be exhaled after the completed inspiration etc. are considered as the capacities ( when two functions are added and value comes)

Lungs volume are of 4 types and they are :

1. Tidal volume
2. Inspiratory reserve volume
3. Expiratory reserve volume
4. Residual volume-  

Tidal volume - Tidal volume is the measure of amount of the air that can be inspired or expired during the one complete cycle is called as the tidal volume and is not a combination of multiple function.

There is approx 300-500 ml is the value of tidal volume.

Inspiratory reserve volume - This is the measure of the additional forcible amount of the air that can be drawn in after the normal tidal volume . This air is kept as the reserve for emergency.

The value of the inspiratory reserve volume for the adult is about 1900-3300 ml.

Expiratory reserve volume - This is the volume of air that can be exhaled forcefully after the normal tidal volume.

The normal value of this is adult is approximately is 700 - 1200ml

Residual volume - This is the amount of the air that remains in the lungs after the forcible expiration is called residual volume and lungs don't use to get fully empty.

The normal value is about to 1200ml in human adult.

These are the lung volumes in the human adult and these are really important to know the correct physiological conditions of the body as they use to get disturbed in the pathological conditions.

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