Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Respiratory system 1 5.11.2007 Objectives for today…… • What respiration is? • Why oxygen is important? • What makes up the respiration system? • What muscles help in breathing? • What is Gaseous exchange? What is Respiration? • Respiration is the circulation on gases around the body. • The supply of gases is delivered through the process of breathing.(Respiration) The Respiratory System Inspiration Expiration Breathing Action In Summary BRONCHIOLES AND ALVEOLI Gaseous Exchange Gaseous Exchange • In the lungs, carbon dioxide (CO2) from the blood passes into the alveoli through the respiratory membrane, a thin barrier that has several layers. • Oxygen (O2) crosses the membrane in the opposite direction, from the alveoli to the blood capillaries. • The fitter we become the more efficient this transfer becomes. Objectives for today…… • What respiration is? • Why oxygen is important? • What makes up the respiration system? • What muscles help in breathing? • What is Gaseous exchange? NEXT LESSON…… • Gaseous exchange continued… LUNG CAPACITY • Tidal volume and Residual volume • Vital capacity • Total lung capacity • Respiration and physical exercise HOMEWORK • Homework Sheets 1 & 2. • Due: