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UNIT 4 ANIMALS

UNIT 4 ANIMALS. STRUCTURE & FUNCTION. Agenda: Assignment due Lesson HW. Brief review questions on Respiration Q1) What are the stages of respiration? Q2) What happens during gas exchange ? Q3) What do you use stop yourself from swallowing Listerine?.

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UNIT 4 ANIMALS

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  1. UNIT 4 ANIMALS STRUCTURE & FUNCTION

  2. Agenda: • Assignment due • Lesson • HW

  3. Brief review questions on RespirationQ1) What are the stages of respiration?Q2) What happens during gas exchange?Q3) What do you use stop yourself from swallowing Listerine? Quick Questions on Ch. 11

  4. 12. 1 The Function of Circulation

  5. The individual cells that make up the structural units that require - the obtaining of nutrients and oxygen - the elimination of wastes 12. 1 The Function of Circulation

  6. The circulatory systemis ???? 12. 1 The Function of Circulation

  7. The circulatory system: • The system that transports blood, nutrients, and waste around the body 12. 1 The Function of Circulation

  8. 12.1 - Main Functions of Circulatory System

  9. 12.1 - Main Functions of CS (Circ. System)

  10. 12.1 - Main Functions of CS

  11. 12.1 - Major Components of the Circulatory System

  12. Heart The muscular organ that pumps blood via the CS to the lungs & the body 12.1 - Major Components of the Circulatory System

  13. Heart The muscular organ that pumps blood via the C.S. Blood Bodily fluid in which blood cells are suspended - carries nutrients, oxygen, carbon dioxide, etc 12.1 - Major Components of the Circulatory System

  14. Blood Bodily fluid in which blood cells are suspended - carries nutrients, oxygen, carbon dioxide, etc Heart The muscular organ that pumps blood via the C.S. Blood Vessels Hollow tubes carrying blood to & from body tissues 12.1 - Major Components of the Circulatory System

  15. Open & Closed CS

  16. Open Circulatory System Closed Circulatory System 12.1 - 2 Types of CS

  17. Open Circulatory System A CS in which vessels open into the animal’s body cavity and makes direct contact with organs and tissues Closed Circulatory System 12.1 - 2 Types of CS

  18. Open Circulatory System A CS in which vessels open into the animal’s body cavity and makes direct contact with organs and tissues. There is no distinction between the blood and the interstitial fluid (a solution surrounding cells of multicellular animals). The mixture of blood and the surrounding fluids is called hemolymph. Closed Circulatory System A CS in which the circulating blood is contained within vessels and kept separate from the interstitial fluid. 12.1 - Open & Closed CS

  19. Open & Closed CS

  20. Study Fig. 12.2, page 480, and become fluent in identifying the components of the heart Heart Components

  21. 4 Chambers of the Heart

  22. Q 1, 2, 4, 6 – page 481 Heart Components

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