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

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Aim How can we prevent malfunctions of the
circulatory system?
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Blood Pressure

• Measured with a STHETHOSCOPE and a
  SPHYGMOMANOMETER.
• Two Readings
• Systolic when the heart CONTRACTS
• Diastolic 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.

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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 surgery
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Anemia

• Individuals do not have enough RBCs, hemoglobin,
  or iron.
• Blood cannot transport enough oxygen to cells.

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Leukemia

• Cancer of the bone marrow
• Uncontrollable production of nonfunctional WBCs.
• Treatment radiation, chemotherapy, bone marrow
  transplant

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