A Level Exam > A Level Videos > Biology A-Level > Breathing Mechanism & Respiratory Volumes
Breathing Mechanism & Respiratory Volumes Video Lecture | Biology A-Level - A Level
FAQs on Breathing Mechanism & Respiratory Volumes Video Lecture - Biology A-Level - A Level
| 1. What is the breathing mechanism? |  |
Ans. The breathing mechanism refers to the process by which air is taken into the lungs and expelled out. It involves the coordination of various muscles and organs, including the diaphragm and intercostal muscles, to create changes in lung volume and pressure, allowing for the exchange of gases.
| 2. What are respiratory volumes? | |
Ans. Respiratory volumes are the different measurements used to quantify the amount of air inhaled or exhaled during various stages of the breathing cycle. These volumes include tidal volume (the amount of air inhaled or exhaled during normal breathing), inspiratory reserve volume (the maximum amount of air that can be inhaled after a normal inhalation), and expiratory reserve volume (the maximum amount of air that can be exhaled after a normal exhalation), among others.
| 3. How does the diaphragm contribute to the breathing mechanism? | |
Ans. The diaphragm is a dome-shaped muscle located below the lungs that plays a crucial role in the breathing mechanism. During inhalation, the diaphragm contracts and moves downward, creating a vacuum in the chest cavity, which allows air to be drawn into the lungs. During exhalation, the diaphragm relaxes and moves upward, pushing air out of the lungs.
| 4. What factors influence respiratory volumes? | |
Ans. Several factors can influence respiratory volumes. These include age, gender, physical fitness, and certain medical conditions. For example, individuals with respiratory diseases such as asthma or chronic obstructive pulmonary disease (COPD) may have reduced respiratory volumes compared to healthy individuals.
| 5. How can respiratory volumes be measured? | |
Ans. Respiratory volumes can be measured using a device called a spirometer. A spirometer is a device that measures the volume of air inhaled and exhaled by an individual. The individual breathes into a mouthpiece connected to the spirometer, and the device records the changes in air volume. This information can be used to calculate various respiratory volumes.
About this Video
1.6K Views
4.88/5
Rating
Sep 01, 2025
Last updated
Video Description: Breathing Mechanism & Respiratory Volumes for A Level 2025 is part of Biology A-Level preparation.
The notes and questions for Breathing Mechanism & Respiratory Volumes have been prepared according to the A Level exam syllabus.
Information about Breathing Mechanism & Respiratory Volumes covers all important topics for A Level 2025 Exam.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for Breathing Mechanism & Respiratory Volumes.
Introduction of Breathing Mechanism & Respiratory Volumes in English is available as part of our Biology A-Level for A Level & Breathing Mechanism & Respiratory Volumes in
Hindi for Biology A-Level course. Download more important topics related with notes, lectures and mock test series for
A Level Exam by signing up for free.
Description
Video Lecture & Questions for Breathing Mechanism & Respiratory Volumes Video Lecture | Biology A-Level - A Level - A Level full syllabus preparation | Free video for A Level exam to prepare for Biology A-Level.
Information about Breathing Mechanism & Respiratory Volumes
Here you can find the meaning of Breathing Mechanism & Respiratory Volumes defined & explained in the simplest way possible.
Besides explaining types of Breathing Mechanism & Respiratory Volumes theory, EduRev gives you an ample number of questions to practice Breathing Mechanism & Respiratory Volumes tests,
examples and also practice A Level tests.
Related Searches
Objective type Questions
,Semester Notes
,Extra Questions
,mock tests for examination
,video lectures
,Free
,ppt
,Important questions
,Breathing Mechanism & Respiratory Volumes Video Lecture | Biology A-Level - A Level
,Breathing Mechanism & Respiratory Volumes Video Lecture | Biology A-Level - A Level
,shortcuts and tricks
,Viva Questions
,practice quizzes
,Previous Year Questions with Solutions
,Summary
,MCQs
,Sample Paper
,Exam
,past year papers
,study material
,Breathing Mechanism & Respiratory Volumes Video Lecture | Biology A-Level - A Level
;
Study Breathing Mechanism & Respiratory Volumes on the App
Students of A Level can study Breathing Mechanism & Respiratory Volumes alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the Breathing Mechanism & Respiratory Volumes,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of Breathing Mechanism & Respiratory Volumes is prepared as per the latest A Level syllabus.
|
© EduRev
|
Education Revolution
|
|
Signup on EduRev and stay on top of your study goals
10M+ students crushing their study goals daily