Respiratory System Biology for Majors II

Respiratory System respiratory system The upper respiratory tract includes the nasal cavity , pharynx , and larynx All of these organs are involved in conduction, or the movement of air into and skeletal system The respiratory tract has two major divisions: the upper respiratory tract and the lower respiratory tract The organs in each division are

respiratory system Oxygen in the air is inhaled and makes its way through the pharynx, larynx, trachea, large upper airways, conducting bronchioles, respiratory bronchioles, the