Respiratory system - Wikipedia The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants
Guide to the human respiratory system The respiratory system supplies oxygen to all parts of your body through the circulatory system Every time you inhale, your blood absorbs and then circulates the air all over your body
Breathing Exercises - American Lung Association Breathing Exercises Learn simple breathing exercises that strengthen your lungs, improve airflow, reduce shortness of breath, and support overall respiratory health and comfort every day