General Knowledge

Respiratory System

श्वसन तंत्र

This Class 10 General Knowledge topic from Biology GK explains how the human respiratory system enables breathing and supplies oxygen to the body. Students learn the roles of the nose, nasal passage, trachea, bronchi, lungs and diaphragm, along with the process of inhalation and exhalation. It also introduces gas exchange in the alveoli, the transport of oxygen and carbon dioxide, and basic habits that help maintain healthy lungs.