Chapter 31.1

Respiratory System

The Difference Between Respiration and Breathing

Respiration in the release and holding of oxygen. Breathing is contract of the rib muscle to let air in and out of the body.

Respiratory System

The Respiratory System is the system that allows air to come in the body and and puts oxygen in blood cells to circulate it around the body the. The Respiratory system starts out with the mouth and nose. These two like the holes that let oxygen in. The goes down the trachea. The trachea is in the the wind pipe. The oxygen travel in to the stems of the lungs ans branches on through out the lungs.