Respiratory system is a system consist of specific organs include the lung, trachea, bronchioles, bronchi, and alveoli, they help together to distribute and transport the oxygen that is essential for the cells . and they assist to released the waste product in the tissue. "carbon dioxide" . ..........
Remember that respiratory system is the exchanging of gas throughout the body.
.....oxygen and carbon dioxide ......
when you inhale oxygen goes in
when you exhale carbon dioxide released..
