Respiratory system

Introduction to the Respiratory System respiratory system Labeled diagram of the lungsrespiratory system View Original Image at Full Size Labeled diagram of the lungs endocrine system Join the Amoeba Sisters for a brief tour through the human respiratory system! This video will

muscular 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