Glossary

Human Physiology

Lesson 31 : Heart

Glossary

Myofibrils: are contractile filaments present in muscle cells.

Pace maker: is specialized myocardial cell capable of generating impulse for heart beat.

Systole: is contraction of myocardium.

Diastole: is relaxation of myocardium.

Electrocardiogram: is graphic recording of electrical events of heart through electrodes placed on skin.

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