Human respiratory system

Organs and Structures of the Respiratory System respiratory system Your lungs make up a large part of your respiratory system, which is the network of organs and tissues that allow you to breathe You have two lungs, one on endocrine system What is the respiratory system? The respiratory system refers to the series of organs

succubus system When we breathe, the respiratory system takes in oxygen and sends out carbon dioxide The cells in our bodies need fresh oxygen to stay alive