Aim: What is the function of the respiratory system? Do Now: 1.Explain what a tissue is. Provide an example of a tissue.
Tissue- A large group of cells that perform the same job. The cells are specialized which mean they have a specific job.
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.
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
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Trachea- large air tube that leads from the larynx (voice box) to the bronchi. Bronchi- the large airways at the top of the lungs.
Alveoli Tiny, thin-walled, grapelike clusters Surrounded by capillaries Where carbon dioxide and oxygen exchange take place
GAS EXCHANGE!!!
Diaphragm- muscle that controls breathing
Exit Ticket What is the main function of the respiratory system?- (Be specific, don’t just answer as breathing)