Sistema respiratoryo

An Sistema respiratoryo amo an sistema organo han usa ka organismo nga nagtutugot magliwan hin hangin.

Pinanbasaran

Mga sumpay ha gawas

A high school level description of the respiratory system 
Introduction to Respiratory System
Science aid: Respiratory System A simple guide for high school students
The Respiratory System  University level (Microsoft Word document)
Lectures in respiratory physiology by noted respiratory physiologist John B. West (also at YouTube)