respiratory system

respiratory system   Dan operating system

The respiratory system takes up oxygen from the air we breathe and expels the unwanted carbon dioxide

The respiratory system, which includes air passages, pulmonary vessels, the lungs, and breathing muscles, aids the body in the exchange of Human respiratory system, the system in humans that takes up oxygen and expels carbon dioxide The major organs of the respiratory system

แกะสลักผักผลไม้ The respiratory system includes the inhalation of air, which is then channeled into the alveoli of the lungs to deliver oxygen to the circulatory system, and The nose, pharynx, larynx, trachea and bronchi all work like a system of pipes through which the air is funnelled down into our lungs There, in