Respiratory System, Part 1: Crash Course Anatomy & Physiology #31

Respiratory System Biology for Majors II respiratory system The main functions of the respiratory system are to obtain oxygen from the external environment and supply it to the cells and to remove from the body the excretory system The bottom line The human respiratory system is responsible for helping provide oxygen to cells, remove carbon dioxide from the body, and

respiratory system The bottom line The human respiratory system is responsible for helping provide oxygen to cells, remove carbon dioxide from the body, and