Human Respiratory System - Respiration in Organisms Class 7 Science Concept | BYJU'S - Class 7

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In this episode of the BYJU’S Champions series, your favorite BYJU’S educator, Aishwarya Ma’am, discusses some of the important concepts in your Class 7 Science Chapter 10 Respiration in Organisms.
Some of the topics discussed in this class are as follows:
- Why do we respire?
- How do we breathe?
- Types of respiration
Respiration is required for all living organisms to survive. It extracts energy from food. Aerobic respiration occurs when food is broken down with the help of oxygen. Anaerobic respiration occurs when the breakdown occurs without the use of oxygen. Join this class to learn more about respiration.
If you are prepping for the upcoming mid-term examination and need a little help revising Class 7 Science concepts, subscribe to our BYJU’S - Class 6, 7 & 8 channel. We have a host of video lessons on our channel to help boost your preparation for the upcoming exams.
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00:00 Human Respiratory System - Respiration in Organisms
5:06 Content
6:29 Introduction to Respiration
10:21 Where is this Oxygen coming from?
11:57 Human Respiration System
14:31 External Respiration
25:23 Lungs in Anatomical Context
29:50 Human Respiration System
30:34 Pathway for Entry of Oxygen
36:03 Oxygen - Alveolus
36:21 Respiration
39:57 Pathway for exit of Carbon Dioxide
42:14 Q. The correct pathway of air into lungs is
44:48 Inhalation of Respiration
47:05 Exhalation of Respiration
51:59 Q. Identify the direction of movement of ribs during exhalation.
53:21 Summary
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