Cardiovascular System

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The Circulatory System
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Presentation transcript:

Cardiovascular System Functions & Structure

SEPTUM ???? ????? Aortic Valve Tricuspid Valve ???? ??? Mitral Valve Pulmonary Valve

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 ?????

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?

Blood Vessels http://www.youtube.com/watch?v=whtNDBIhczQ&feature=related Oxygenated Blood DeoxygenatedBlood Thinner, Less Elastic Wall Thick, Elastic & Muscular Wall Thin Wall

Muscle Pumping Effect ???????

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

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

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 http://www.youtube.com/watch?v=_ZV5140OykE

Systemic Circulation

Pulmonary Circulation

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?

Circulation of Blood 5 3 1 4 2 5 http://www.sumanasinc.com/webcontent/animations/content/human_heart.html

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…

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 ________

Influencing factors on Blood Pressure

Atherosclerosis

Atherosclerosis

Additional Study http://www.explania.com/en/channels/health/detail/the-human-heart

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