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Karnataka Board PUCPUC Science Class 11

Find out the Tidal volume (approximate value) for a healthy human in an hour. - Biology

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Question

Find out the Tidal volume (approximate value) for a healthy human in an hour.

Answer in Brief
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Solution

The tidal volume is about 6000 to 8000 mL of air per minute.

The hourly tidal volume for a healthy human can be calculated as:

Tidal volume = 6000 to 8000 mL/minute

Tidal volume in an hour = 6000 to 8000 mL × (60 min)

= 3.6 × 105 mL to 4.8 × 105 mL

Therefore, the hourly tidal volume for a healthy human is approximately 3.6 × 105 mL to 4.8 × 105 mL

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Chapter 17: Breathing and Exchange of Gases - Exercises [Page 277]

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NCERT Biology [English] Class 11
Chapter 17 Breathing and Exchange of Gases
Exercises | Q 14 | Page 277

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RELATED QUESTIONS

State the volume of air remaining in the lungs after a normal breathing.


Distinguish between inspiratory capacity and expiratory capacity.


Distinguish between Vital capacity and Total lung capacity.


The total volume of air accommodated in the lungs at the end of forced inspiration is known as Total Lung Capacity (TLC) which is equal to ______. 


Vital capacity of lungs is equal to


A person breathes in some volume of air by forced inspiration after having a forced expiration. This quantity of air taken in is ______.


From the following relationships between respiratory volume and capacities and mark the correct answer.

  1. Inspiratory capacity (IC) = Tidal Volume + Residual Volume
  2. Vital Capacity (VC) = Tidal Volume (TV) + Inspiratory Reserve Volume (IRV) + Expiratory Reserve Volume (ERV).
  3. Residual Volume (RV) = Vital Capacity (VC) – Inspiratory Reserve Volume (IRV)
  4. Tidal Volume (TV) = Inspiratory Capacity (IC) – Inspiratory Reserve Volume (IRV)

Define the following terms?

Tidal volume


Define the following terms?

Residual volume


Arrange the following terms based on their volumes in an ascending order.

  1. Tidal Volume (TV)
  2. Residual Volume (RV)
  3. Inspiratory Reserve Volume (IRV)
  4. Expiratory Capacity (EC)

Complete the missing terms

Inspiratory Capacity (IC) = ______ + IRV


Complete the missing terms

______ = TV + ERV


Name the important parts involved in creating a pressure gradient between lungs and the atmosphere during normal respiration.


Match List I with List II.

List I List II
A. Expiratory capacity I. Expiratory reserve volume + Tidal volume + Inspiratory reserve volume
B. Functional residual Capacity II. Tidal volume + Expiratory reserve volume
C. Vital capacity III. Tidal volume + Inspiratory reserve volume
D. Inspiratory capacity IV. Expiratory reserve volume + Residual volume

Choose the correct answer from the options given below:


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