Cardiovascular system

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Presentation transcript:

Cardiovascular system Mrs. Barnes

Normal Blood Pressure

Red blood cells Normal range 4.2 – 5.4 million cells/mcL (microliter) 4.7 L (10 pints) : amount of blood in the body of an average adult

Red blood cells Polycythemia Poly = Cyt = -emia = Many Cell Condition of Causes Hypertension = high blood pressure

STROKE High blood pressure Aneurysm (bulging vessel) Blood disorders CAUSES OF A STROKE High blood pressure Aneurysm (bulging vessel) Blood disorders (hemophilia and sickle cell anemia)

Atherosclerosis Pressure builds and clots form. Lack of blood flow.

Myocardial Infarction: Heart attacks can be caused by atherosclerosis Cholesterol

Causes of Hypotension = Low blood pressure

BP Below 90/60 Dehydration

Heart valve problems Heart attack

Injury

Why would exercise lower blood pressure?

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