A septum separates the ________ and ________.
Fill in the blank(s) with the appropriate word(s).
atria, ventricles
The atria and ventricles are separated by the septum
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Graphic presentation of data consisting of a series of bars or rectangles whose widths are the lengths of the data intervals and whose heights are the corresponding frequencies are appropriately referred to as:
A) ogive curves. B) scattergrams. C) frequency polygons. D) histograms. E) bar graphs.
By increasing heart rate, raising blood pressure, and irritating the heart, smoking can trigger an irregular heartbeat known as ____
a. arrhythmia b. hypotension c. myocardial infarction d. angina pectoris e. atherosclerosis
Exercise frequency refers to
A) the number of times per week you need to do a particular exercise to see benefits. B) how difficult the workout must be to attain the desired level of fitness. C) the length of time or number of repetitions to be completed in one workout session. D) the specific component of fitness an activity is designed to improve.
Shingles is most common in people over the age of
A) 40. B) 50. C) 60. D) 70.