The Importance of Breathing and the Respiratory System

The video explains the importance of breathing for oxygen intake and waste removal. It describes the respiratory system, including the trachea, bronchial tubes, lungs, alveoli, and capillaries. The process of inhalation and exhalation is detailed, highlighting the role of the diaphragm and chest movement in facilitating air flow.

Why do whales and seals need to return to the surface?

What is the role of the respiratory system in the body?

What happens to carbon dioxide and water vapor during respiration?

Describe the process of how oxygen is absorbed into the bloodstream.

Explain the function of the diaphragm in breathing.