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Cardiovascular/Circulatory System

Learning Target: Identify the main function of the circulatory system Science Starter: What is the purpose of the circulatory/cardiovascular system?.

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Cardiovascular/Circulatory System

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  1. Learning Target: Identify the main function of the circulatory systemScience Starter:What is the purpose of the circulatory/cardiovascular system?

  2. ANNOUNCEMENTS:1.Homework #25 due2. Homework #26 (purple) Question of the day3. Homework pass table winner4. Worth the Wait forms due FRIDAY5. Computer LAB 310—Tuesday and Wednesday

  3. Cardiovascular/Circulatory System

  4. Cardiovascular System • Cardio = “heart” Vascular = “vessels”

  5. Cardiovascular System • Cardio = “heart” Vascular = “vessels” • Made up of heart, vessels, and blood

  6. Cardiovascular System • Cardio = “heart” Vascular = “vessels” • Made up of heart, vessels, and blood • Closed system—blood stays inside the vessels

  7. Cardiovascular System • Cardio = “heart” Vascular = “vessels” • Made up of heart, vessels, and blood • Closed system—blood stays inside the vessels • Blood only flows one-way

  8. 0 What is another name for the cardiovascular system? • Respiratory system • Circulatory system • Immune system • Skeletal system

  9. Types of Blood Vessels • Arteries—move blood away from the heart

  10. Types of Blood Vessels • Arteries—move blood away from the heart • Veins—move blood toward the heart

  11. Types of Blood Vessels • Arteries—move blood away from the heart • Veins—move blood toward the heart • Capillaries— microscopic blood vessels that connect arteries & veins

  12. 5 Which one of these vessels carries blood away from the heart? • Pulmonary vein • Renal vein • Renal artery • Superior vena cava

  13. Functions of the Blood • Carries oxygen from lungs to all body cells & removes carbon dioxide from the cells

  14. Functions of the Blood • Carries oxygen from lungs to all body cells & removes carbon dioxide from the cells • Carries waste products of cell activity to kidneys to be removed from the body

  15. Functions of the Blood • Carries oxygen from lungs to all body cells & removes carbon dioxide from the cells • Carries waste products of cell activity to kidneys to be removed from the body • Transports nutrients from digestive system to body cells

  16. Functions of the Blood • Carries oxygen from lungs to all body cells & removes carbon dioxide from the cells • Carries waste products of cell activity to kidneys to be removed from the body • Transports nutrients from digestive system to body cells • Materials in blood help fight infection and heal wounds (white blood cells & platelets)

  17. 0 Which 2 substances does the blood transport away from body cells? • Oxygen & carbon dioxide • Carbon dioxide & waste • Nutrients & waste • Oxygen & nutrients

  18. 0 What parts of the blood help fight off disease and heal injuries? • white blood cells & platelets • red blood cells & platelets • white blood cells & red blood cells • white blood cells & plasma

  19. 0 Which is not a function of the cardiovascular system? • Carry nutrients & oxygen to body cells • Carry carbon dioxide & waste away from body cells • Attack disease-causing bacteria • Produce chemicals that control body processes

  20. (2) superior vena cava The Heart CO2 from body • Add these labels to your heart diagram! CO2 from body (6) inferior vena cava

  21. The Heartpg.38 workbook CO2 from body (3) right atrium (4) valve (5) right ventricle CO2 from body

  22. The Heart CO2 from body (7) pulmonary artery CO2 to lungs CO2 to lungs CO2 from body

  23. The Heart (7) pulmonary artery CO2 to lungs CO2 to lungs O2 from lungs O2 from lungs (8) pulmonary vein

  24. The Heart O2 from lungs O2 from lungs (9) left atrium (10) valve (11) left ventricle

  25. O2 to body The Heart (1) aorta O2 from lungs O2 from lungs O2 to body

  26. O2 to body The Heart CO2 from body CO2 to lungs CO2 to lungs • Anatomy of the Heart O2 from lungs O2 from lungs (12) septum CO2 from body O2 to body

  27. 0 What force causes blood to keep flowing through the body? • The opening & closing of the valves in the heart • Gravity pushing blood through the veins • Cardiac muscle in the heart contracting and relaxing • Cardiac muscle in the blood vessels contracting and relaxing

  28. 0 What is this chamber called? • Right atrium • Left atrium • Right ventricle • Left ventricle

  29. 0 When blood enters the left atrium from the lungs, what does it contain? • No oxygen or carbon dioxide • Equal amounts of oxygen and carbon dioxide • Mostly carbon dioxide • Mostly oxygen

  30. 0 What is this structure called? • Superior vena cava • Aorta • Left atrium • Valve

  31. Pulmonary artery (O2 poor) lungs Pulmonary vein (O2 rich) Summary • St Joseph’s Heart Song Veins (O2 poor) Arteries (O2 rich) body

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