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Chapter 14 of 19
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Breathing and Exchange of Gases

Madhya Pradesh Board · Class 11 · Biology

Flashcards for Breathing and Exchange of Gases — Madhya Pradesh Board Class 11 Biology. Quick Q&A cards covering key concepts, definitions, and formulas.

101 questions66 flashcards5 concepts

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Card 1Respiratory system basics

What is breathing in humans?

Answer

Breathing is the process of exchange of oxygen and carbon dioxide with the atmosphere. It includes inspiration, when air enters the lungs, and expiration, when air leaves the lungs.

Card 2श्वसन तंत्र की मूल बातें

मनुष्य में श्वसन क्या है?

Answer

श्वसन (Breathing) वायुमंडल से ऑक्सीजन और कार्बन डाइऑक्साइड के आदान-प्रदान की प्रक्रिया है। इसमें श्वसन (inspiration) शामिल है, जब वायु फेफड़ों में प्रवेश करती है, और उच्छ्वास (expiration), जब वायु फेफ

Card 3मानव श्वसन तंत्र

श्वसन तंत्र के संवाहक भाग में कौन से हिस्से शामिल हैं?

Answer

संचालक भाग बाहरी नासाछिद्र से लेकर अंतिम श्वसनिका तक फैला होता है। इसका मुख्य कार्य वायु को फेफड़ों तक ले जाना, धूल को साफ करना, हवा को नम करना और उसे शरीर के तापमान तक लाना है।

Card 4Human respiratory system

Which parts form the conducting part of the respiratory system?

Answer

The conducting part extends from the external nostrils up to the terminal bronchioles. Its main role is to carry air to the lungs, clear dust, humidify air, and bring it to body temperature.

Card 5Human respiratory system

Which parts form the respiratory or exchange part of the respiratory system?

Answer

The alveoli and their ducts form the respiratory or exchange part of the respiratory system. This is the site where oxygen and carbon dioxide actually diffuse between air and blood.

Card 6मानव श्वसन तंत्र

श्वसन तंत्र के श्वसन या विनिमय भाग कौन से हिस्से बनाते हैं?

Answer

वायुकोशिकाएँ (alveoli) और उनकी नलिकाएँ श्वसन तंत्र का श्वसन या विनिमय भाग बनाती हैं। यह वह स्थान है जहाँ वास्तव में वायु और रक्त के बीच ऑक्सीजन और कार्बन डाइऑक्साइड का विनिमय होता है।

Card 7मानव श्वसन तंत्र

स्वरयंत्र की क्या भूमिका है?

Answer

स्वरयंत्र (larynx) ग्रसनी और श्वासनली के संधिस्थल पर स्थित उपास्थि का एक बक्सा होता है। यह ध्वनि उत्पादन में सहायक होता है। इसे ध्वनि पेटी भी कहते हैं।

Card 8Human respiratory system

What is the role of the larynx?

Answer

The larynx is a cartilaginous box at the junction of the pharynx and trachea. It helps in sound production and is also called the sound box.

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Breathing and Exchange of Gases covers several key topics that are frequently asked in Madhya Pradesh Board Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
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Understand the core concepts first, then work through the 101 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
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