respiratory system
Respiratory System
The major passages and structures of the upper respiratory tract include the nose or nostrils, nasal cavity, mouth, throat ,
เว็บไซต์ respiratory system The major passages and structures of the upper respiratory tract include the nose or nostrils, nasal cavity, mouth, throat , digestive system The meaning of RESPIRATORY SYSTEM is a system of organs functioning in respiration and in humans consisting especially of the nose,
respiratory system Respiratory system definition: the system by which oxygen is taken into the body and an exchange of oxygen and carbon dioxide takes place; in mammals the The respiratory system, which includes air passages, pulmonary vessels, the lungs, and breathing muscles, aids the body in the exchange of Inhalation and exhalation is accomplished by respiratory muscles, namely the diaphragm and intercostal, neck and abdominal muscles The diaphragm contracts and
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