1. Aim: What is the function of the respiratory system? Do Now: 1.Explain what a tissue is. Provide an example of a tissue.

2. Tissue- A large group of cells that perform the same job. The cells are specialized which mean they have a specific job. http://www.slideshare.net/fatimaalzahraa/specialized-cells-biology

3. Circulatory System Review What is the function of the circulatory System? Function- Transport of materials throughout the body- oxygen, carbon dioxide, nutrients(glucose), wastes These materials diffuse in and out of the cells of every organ.

4. Purpose of the respiratory system To provide a constant supply of oxygen to keep your body cells functioning To remove carbon dioxide from the body cells

6. http://www.neok12.com/video/Respiratory- System/zX666d026275504f79626206.htmhttp://www.neok12.com/video/Respiratory- System/zX666d026275504f79626206.htm

7. Trachea- large air tube that leads from the larynx (voice box) to the bronchi. Bronchi- the large airways at the top of the lungs.

8. Alveoli Tiny, thin-walled, grapelike clusters Surrounded by capillaries Where carbon dioxide and oxygen exchange take place

9. http://mhln.com GAS EXCHANGE!!!

10. Diaphragm- muscle that controls breathing

12. Exit Ticket What is the main function of the respiratory system?- (Be specific, don’t just answer as breathing)