Respiratory System (श्वसन तंत्र) NCERT Diagrams For RRB Railway Exam By BK Pathak Sir

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In This Video "Respiratory System (श्वसन तंत्र) NCERT Diagrams For RRB Railway Exam By BK Pathak Sir " covers the following key points:
Respiratory System (श्वसन तंत्र) Key Points for RRB Railway Exam:
Function: Exchanges oxygen and carbon dioxide between the body and the environment.
Components: Nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli.
Breathing: Inhalation (diaphragm and intercostal muscles contract) and exhalation (diaphragm and intercostal muscles relax).
Gas Exchange: Oxygen diffuses into blood, carbon dioxide diffuses out of blood in the alveoli.
Disorders: Asthma, bronchitis, pneumonia, lung cancer.
Key Diagrams:
Respiratory System: Overall structure
Nasal Cavity: Air entry point
Pharynx: Passageway for air and food
Larynx: Voice box, prevents food/liquid entry
Trachea: Windpipe, carries air to bronchi
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