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Author Question: Suppose your restaurant used one propane gas tank each month for three months during the summer to ... (Read 62 times) |
The familiar sounds of your heart are made by the heart's valves as they open and close.
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.