respiratory system

respiratory system   Dan endocrine system

The respiratory system is responsible for breathing, gas exchange internally and externally, speech and phonation, and olfaction

The lungs and pulmonary system Breathing is a vital process that allows our bodies to take The two most common chronic respiratory diseases are asthma and chronic obstructive pulmonary disease These both affect the airways in the lungs Asthma

ไข้หัด The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants  Respiratory system · Nose · Nasal cavity · Mouth · Sinuses · Throat · Voice box · Windpipe The lower respiratory tract is made up