carbon dioxide dead space vital capacity trachea inhale oxygen exhale alveoli lungs bronchi

When your adenoids interfere with your breathing, they are sometimes removed. The ADENOIDS are overgrown lymph tissue at the top of the throat. The hairs that line the inside wall are part of the air-cleansing system.Īir can also enters through your ORAL CAVITY (mouth), especially if you have a mouth-breathing habit or your nasal passages may be temporarily blocked. The NASAL CAVITY (nose) is the best entrance for outside air into your respiratory system.

The sinuses help to regulate the temperature and humidity of air your breathe in, as well as to lighten the bone structure of the head and to give tone to your voice. Small openings connect them to the nasal cavity.

The SINUSES are hollow spaces in the bones of your head.

Our lungs also take carbon dioxide from our blood and release it into the air when we breathe out. Our lungs remove the oxygen and pass it through our bloodstream, where it's carried off to the tissues and organs that allow us to walk, talk, and move. This chart of the RESPIRATORY SYSTEM shows how you breathe.īreathing is the process that brings oxygen in the air into your lungs and moves oxygen and through your body.

Carbon dioxide dead space vital capacity trachea inhale oxygen exhale alveoli lungs bronchi