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Understanding Mammalian Circulatory System: From Digestion to Blood Transport

This presentation explores the mammalian circulatory system, detailing how blood is composed of plasma, erythrocytes, leucocytes, and platelets. It explains the roles of blood in transporting nutrients, oxygen, carbon dioxide, hormones, antibodies, urea, and heat. The content covers the heart's structure, its development from a 3-chambered to a 4-chambered organ, and the dual nature of the cardiovascular system, including systemic and pulmonary circulation. Additionally, it includes a guide on drawing and labeling the heart, illustrating its chambers, vessels, and the cardiac cycle.

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Understanding Mammalian Circulatory System: From Digestion to Blood Transport

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Presentation Transcript

  1. From digestion to transport

  2. The transport system

  3. Link to presentation used in class (supplemented by additional slides…) • Stephen Taylor transport presentation

  4. Syllabus details relating to BLOOD • 6.2.6 State that blood is composed of plasma, erythrocytes, leucocytes (phagocytes and lymphocytes) and platelets • 6.2.7 State that the following are transported by the blood: nutrients, oxygen, carbon dioxide, hormones, antibodies, urea and heat

  5. Contents of blood

  6. Cells and fragments found in blood

  7. All cellular components originate from haemopoetic stem cells in the bone marrow

  8. The ‘cells’and fragments of blood

  9. Lymphocytes

  10. Phagocytes – macrophage…

  11. Phagocytes: neutrophils

  12. The heart and how it works

  13. Mammalian 4-chambered hearts develop from 3-chambered hearts

  14. The cardiovascular system is a double circulation

  15. The cardiovascular system is a double circulation

  16. The CVS is a double circulation (3)

  17. Systemic circulation

  18. The systemic circulation

  19. The pulmonary circulation

  20. The pulmonary circulation

  21. Draw a heart, labelling the 4 chambers, associated blood vessels, valves and route of blood through the heart

  22. Let’s draw a heart! • Drawing a heart...

  23. Control of the cardiac cycle • control of the cardiac cycle • conducrtion system of the heart

  24. Explain the basic cardiac cycle… • Animation 1 • slightly more detailed cardiac cycle

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