Heart Terms Crossword Puzzle

QUESTIONS LIST:

• depolarization : contraction of heart muscle cells
• conductivity : ability of the heart to receive and transmit an impulse
• systole : contraction phase of the cardiac cycle
• polarization : heart muscle cells are at resting peak energy
• contractility : ability of the heart to shorten in response to a stimulus
• automaticity : ability of the heart to initiate an electrical impulse
• diastole : relaxation (refill) phase of the cardiac cycle
• excitability : ability of the heart to respond to an impulse
• repolarization : relaxing of the heart muscle cells
• parasympathetic : branch of the autonomic nervous system decreasing hr
• sympathetic : branch of the autonomic nervous system increasing hr