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  1. 1. HEART The circulatory system is composed of two parts, the pulmonary circulation and the systemic circulation. The pulmonary circulation, between the heart and lungs transports deoxygenated blood to the lungs to get oxygen and then back to the heart.
  2. 2. The heart is about the size of a fist and is shaped like an upside-down pear.
  3. 3. The heart has four chambers The atria, interatrial septum, interventricular septum, and the ventricles.
  4. 4. BP (blood pressure) Regular adult blood pressure should be at 120/80 120 being the systolic and 80 being the distolic. Maintain a good diet and daily exercise will help keep your blood pressure at a normal level and help decrease any heart disease years to come.
  5. 5. LIVE A HEALTHY LIFESTYLE. Biology 120 Marissa Infante