Lesson 4.2 The Heart at Work Crossword

a mass of conducting cells located at the atrioventricular junction in the heart
Pressure exerted by the blood upon the walls of the blood vessels
The study of the heart and its action and diseases.
The stage of the heart cycle in which the heart muscle is relaxed
Blood pressure that remains between heart contractions.
A measurement of heart electrical activity.
A measure of cardiac activity usually expressed as the number of beats per minute.
An abnormally high blood pressure.
An electrical device for stimulating or steadying the heartbeat or reestablishing the rhythm of an arrested heart.
The rhythmic expansion and recoil of arteries resulting from heart contraction; can be felt from the outside of the body.
A small mass of tissue that is made up of Purkinje fibers, ganglion cells, and nerve fibers, that is embedded in the musculature of the right atrium, and that originates the impulses stimulating the heartbeat
An instrument for measuring blood pressure and especially arterial blood pressure.
The stage of the heart cycle in which the heart muscle contracts and the chambers pump blood.
The pressure generated by the left ventricle during systole.