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Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ...
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
A lesion called a plaque in the brain of an individual with Alzheimer disease. A ring of degeneratin