1. Cardiovascular System
Functions & Structure

2. SEPTUM ???? ????? Aortic Valve Tricuspid Valve ???? ??? Mitral Valve
Pulmonary Valve

3. SEPTUM To the ??? Aorta To the… To the… ????? ????????????? From the…
(to left atrium)
Left
Right
Atrium
Atrium
Aortic
Valve
Tricuspid Valve
Left
Right
SEPTUM
Mitral
Valve
Ventricle
Ventricle
Pulmonary Valve
?????

4. Quick revision…
Why do valves exist in the cardiovascular system? ie what do they do?
Where can valves be found?
Why is blood either red or blue?

5. Blood Vessels
Oxygenated Blood
DeoxygenatedBlood
Thinner,
Less Elastic Wall
Thick,
Elastic &
Muscular Wall
Thin Wall

6. Muscle Pumping Effect
???????

7. Blood Red Blood Cells White Blood Cells Platelets 99% of Blood Cells
Variety of Shapes & Sizes
Larger than Red Blood Cells
Smaller than Red Blood Cells
Pass through capillary walls
Produce in Bone Marrow
Removed by Liver & Spleen
Produced in the
Life Span: 4 months
Life Span: Few Days

8. Plasma __________________ ________________
Passes through walls and into cells
Provides cells with ANTIBODIES and O2

9. Haemoglobin Bright Red Appearance
Allows O2 to attach to
Bright Red Appearance
___________ = _________ = _______________
Contains a large amount of __________
The Role of Red Blood Cells in Anemia

10. Systemic Circulation

11. Pulmonary Circulation

12. More revision… How is the blood moved from our feet back to our heart?
What are the components which make up our blood?
What does the word PULMONARY relate to?

13. Circulation of Blood 5 3 1 4 2 5

14. Circulation of Blood
Using the diagrams on the previous slides, describe the path of a red blood cell as it makes its way around the circulatory system…

15. Blood Pressure __________ Blood Pressure Upper Reading
Amount of pressure developed in the when the heart CONTRACTS (beats). Which section/structure of the heart causes our heart to beat?
___________ Blood Pressure
Low Reading
Pressure of blood in ____________ as the HEART _________ and ________

16. Influencing factors on Blood Pressure

17. Atherosclerosis

18. Atherosclerosis

19. Additional Study