During inhalation, ribs move Up-outwards and diaphragm moves down. This expansion of the rib cage and downward movement of the diaphragm increases the volume of the thoracic cavity, allowing air to be drawn into the lungs.

Cockroaches breathe through Tracheae. They have a network of small tubes called tracheae that transport oxygen directly to their tissues.

Fish breathe through Gills. Gills allow fish to extract oxygen from water as it passes over them.

Hemoglobin is a protein found in red blood cells that binds to oxygen in the lungs and transports it to tissues throughout the body.

WBC (White Blood Cells) are responsible for fighting against infections and germs in the body, playing a crucial role in the immune system.