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Heart systole.svg

The activity of the heart is based on the rhythmic alternation of contraction (systole) and relaxation (diastole) of the heart muscle. There is two kinds of systoles - ventricular systole and atrial systole. Atrial systole precedes ventricular systole. The atria function as auxiliary pumps and they help with the filling of the ventricles.

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  • KITTNAR, Otomar, et al. Lékařská fyziologie. 1. vydání. Praha : Grada, 2011. 790 s. ISBN 978-80-247-3068-4.KITTNAR, Otomar, et al. Lékařská fyziologie. 1. edition. Praha : Grada, 2011. 790 pp. ISBN 978-80-247-3068-4.