Respiratory System (6)

Parts of the human respiratory system represented by the thin rubber sheet

Diaphragm

Parts of the human respiratory system represented by the Y-shaped glass tube

Trachea and bronchi

Parts of the human respiratory system represented by the balloon

Lungs

The movement of the rib cage when breathing

Rib cage moves upwards and outwards

The volume of the thoracic cavity when inhaling

Volume of the thoracic cavity increases

The movement of the rib cage during exhalation

Rib cage moves downwards and inwards

Movement of the diaphragm during inhalation

Diaphragm contracts and moves downwards

The volume of the thoracic cavity during exhalation

Volume of the thoracic cavity decreases

Movement of the diaphragm during exhalation

Diaphragm relaxes and curves upwards

The system in the body that helps us breathe

The human respiratory system functions to supply oxygen and removes carbon dioxide from the body cells