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Diane Llanera posted an update in the group
Histology Art (MT 30 – J) 3 years, 8 months ago The respiratory system is a collection of organs and tissues that assist in breathing. Your airways, lungs, and blood arteries are all part of it. The respiratory system includes the muscles that power your lungs. These components work together to transport oxygen throughout the body while also removing waste gases such as carbon dioxide.
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The epithelium provides physical barrier to infection, lining the respiratory tract from the nose to the alveoli with a wide range of cell types. Ciliated epithelial cells are important in propelling mucus up the airway, thereby removing particulate material.