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Circulatory System

Circulatory System . Unit 6. Objectives. Describe the structure and function of the human _________ Trace the flow of blood through the ______ and _________ Distinguish between ________, _________ and _____________ in terms of their structure and function.

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Circulatory System

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  1. Circulatory System Unit 6

  2. Objectives • Describe the structure and function of the human _________ • Trace the flow of blood through the ______ and _________ • Distinguish between ________, _________ and _____________ in terms of their structure and function. • Distinguish between __________ circulation and ______________ circulation

  3. The Heart • The circulatory system is made up of the _____________system and the lymphatic system. • The cardiovascular system is made up of the _____________, _____________ and ____________________________.

  4. The Heart • The _________ is the central organ of the cardiovascular system.

  5. The Heart • Some of the important parts of the heart include: • ________________ • ________________ • ________________

  6. The Heart: The Septum • Septum: separates the heart _________ into two sides.

  7. The Heart: The Atrium • The Atrium: is the _______chamber of the heart • The Right Atrium: receives ________blood that is __________ to the heart

  8. The Heart: The Ventricle • The Ventricle: is the ___________chamber of the heart • The Right Ventricle: pumps __________ blood ______ of the heart.

  9. The Heart: Valves • The valves are flaps of ________ that control the flow of the _______ • They prevent _________ flow in the _______

  10. Diagram of the Heart

  11. Diagram of the Heart

  12. Circulation of the Heart • Blood flows in the following order • ___________ __________ • ___________ __________ • _______________ _______________ • _____________ (gas exchange) • _______________ ________________ • ______________ • Rest of the __________

  13. Circulation of the Heart: The Right Atrium • Path of blood as it circulates through the heart: • _____________ blood enters the _______ _________ • The right atrium sends ___________ blood into the ____________ _____________

  14. Circulation of the Heart: The Right Ventricle • The muscles of the ________ __________ contract and force blood into the _________________ ___________

  15. Circulation of the Heart: The Lungs • The ___________ artery sends blood to the _________ • In the lungs: • _____________diffuses out of the blood • ___________diffuses in

  16. Circulation of the Heart: The Left Ventricle • The muscular walls of the ________ _________contract and force blood into a large blood vessel, called the ________ • The Aorta: carries blood from the _____ ventricle to the rest of the __________

  17. Flow Chart of Blood Flow

  18. The Heartbeat • The heart contracts its muscle cells in __________ • The first group of heart-muscle _________ • The second group of hear muscles cells ______

  19. Control of the Heartbeat • A heartbeat has _____ phases: • Phase One: _________ • Phase Two: _________

  20. Control of the Heartbeat: Phase One • Phase One, or _________ : occurs when the ventricles ___________. • This then pumps blood _____ of the heart

  21. Control of the Heartbeat: Phase • Phase two , or _________andoccurs when the ventricles ________. This • This allows the _______ pressure of the blood.

  22. Control of the Heartbeat • The contractions in the ______ __________forces blood through the _______ • A series of pressure waves results, called a _________

  23. Blood Vessels • The circulatory system is known as a _________system. • This is because the blood is contained within either the ____________ or __________ __________at all times. • Blood Vessels include: • _______________ • _____________ • ________________

  24. Blood Vessels • The blood vessels that are part of the human circulatory system form a vast network to help keep the blood flowing in _____ direction.

  25. Arteries • The large, muscular vessels that carry blood _______ from the heart and to the body are called _________

  26. Blood Vessels • As the heart moves the blood through the __________, it produces a great force against the inside walls of a blood vessel. This force is known as ______________

  27. Blood Pressure • High blood pressure, or ___________, can place a strain on the walls of the arteries and could cause that artery to __________ or __________

  28. Arteries and Blood Pressure • Blood Pressure is determined by measuring: • _________ pressure • __________pressure • Systolic pressure, measured ______, is the pressure of the blood when the ventricles ___________ • Diastolic pressure, measured _______ indicates the steady flow of blood through the _________

  29. Veins • After cells interact with the blood, the blood goes back to the ________ • Veins: blood vessels that carry blood ______ the heart.

  30. Arteries • Arteries and veins are both made up of _________ layer • Yet, they have different appearances for their differing functions

  31. Capillaries • Capillaries: the __________ of the all the blood vessels, only _______ cell thick, carries blood: • Connecting the ___________ and __________ • The capillaries are a vast network of tiny vessels that allow an exchange between the _________ and the _______ to occur. • The capillaries allow for the exchange of __________ and __________

  32. Blood Vessels Pictures

  33. Cardiovascular System and its Two Subsystems • The heart and blood vessels work together to form a continuous, ________ system of circulation. • This system contains two subsystems: • ___________circulation • ____________circulation.

  34. Pulmonary Circulation • Pulmonary circulation is the circulation of the blood as it travels between the _______ and _________ • Pulmonary circulation brings the _____________blood that comes into the heart to the ________, and returns __________ blood back to the heart for distribution to the _________ • Flow of blood: __________ →______________→____________

  35. Systemic Circulation • Systemic circulation is the circulation of the blood between the heart and all other ________ tissues. • Systemic circulation has several subsystems: • __________ circulation(related to the heart) • __________circulation (related to the liver) • ___________ circulation (related to kidneys)

  36. Circulatory Path: A Review

  37. Circulatory Path: A Review

  38. Blood: Objectives • List the _________ of blood. • Distinguish between ____ blood cells, ______ blood cells, and __________ in terms of their structure and function. • Summarize the process of blood ________ • Explain what determines the compatibility of blood _______ for transfusion.

  39. Composition of Blood • Blood is composed of: • Liquid (____%): _______ • Blood solids (___%): • _______ blood cells • _______blood cells • ________________

  40. Composition of Blood: Plasma • Plasma: is • _______ • ______-colored fluid • ____ percent water • Also includes: • _______________, waste, salts and proteins • Plasma provides cells with nourishment and carries various __________

  41. Red Blood Cells • A red blood cell is: • A _______-shaped cell • has no _________ • Transports __________ to cells in all parts of the body. • Immature red blood cells make large amounts of an iron-containing protein called ____________. • Hemoglobin:the molecule that transports __________

  42. White Blood Cells • White blood cells are cells in the blood that destroy __________, ________, and _________ proteins and helps the body develop _______________.

  43. White Blood Cells • Types of white blood cells: • ________________ • ________________ • Phagocytes: cells that _________ and _________ foreign matter or microorganisms. • Antibodies: are _________ that react to a specific type of _____________ or destroy ______________

  44. Platelets • Platelets: are essential to the formation of a _________ _________ • Blood Clots: are a mass of interwoven ______ and blood cells. • They are essential to ____________ • Platelets: • ________ a nucleus • Not _______ cells • ____________ at the damaged site

  45. Blood Types • ______ blood cells are used to determine a person’s blood type. • The most important human blood types are: • ___ • ____ • ____

  46. Blood Types: The A-B-O System • If blood of a different type is introduced into the body it will be treated as a foreign _________

  47. A-B-O Blood Types

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