Aim: How can we prevent malfunctions of the circulatory system?

Aim: How can we prevent

malfunctions of the circulatory system?

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Blood Pressure Measured with a STHETHOSCOPESTHETHOSCOPE

and a SPHYGMOMANOMETER. Two Readings:

Systolic: when the heart CONTRACTSDiastolic: when the heart is RELAXED

BP= Systolic/diastolic

Ex: 120/70

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High Blood Pressure (hypertension)

B.P. is higher than normal. CAUSES: stress, salt intake, heredity,

smoking, age, weight, and diet? EFFECTS: weakens and damages

artery walls, may lead to build up of plaque

TREATMENT: change diet, medication, and weight loss.

http://images.google.com/imgres?imgurl=www.gen.umn.edu/courses/1135/lab/heartlab/heartlab_pics/heartpics_human/heart_insitu.jpg&imgrefurl=http://www.gen.umn.edu/courses/1135/lab/heartlab/heartlab.html&h=432&w=576&sz=56&tbnid=HLVYY5709rAJ:&tbnh=99&tbnw=132&prev=/images%253Fq%253Dhuman%252Bheart%2526start%253D40%2526hl%253Den%2526lr%253D%2526ie%253DUTF-8%2526oe%253DUTF-8%2526sa%253DN

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Heart Disease

Narrowing/blockage of coronary arteries.

Reduces oxygen supply to the heart cells.

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Heart Attack Blood supply to the heart

(coronary arteries) is cut off completely.

If damage is severe = death TREATMENT: angioplasty,

aspirin, medications, bypass surgery.

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Bypass surgeryBypass surgery

7

Anemia

Individuals do not Individuals do not have enough have enough RBC’s, hemoglobin, RBC’s, hemoglobin, or iron.or iron.

Blood cannot Blood cannot transport enough transport enough oxygen to cells.oxygen to cells.

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Leukemia

Cancer of the bone Cancer of the bone marrowmarrow

Uncontrollable Uncontrollable production of production of nonfunctional WBC’s.nonfunctional WBC’s.

TreatmentTreatment: radiation, : radiation, chemotherapy, bone chemotherapy, bone marrow transplantmarrow transplant

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Stroke:Stroke:

Occurs when a blood clot forms in an artery going to the brain. This blocks the blood from reaching part of the brain.

Aim: How can we prevent malfunctions of the circulatory system?

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Transcript of Aim: How can we prevent malfunctions of the circulatory system?