Sentences with 'contractions'
Example sentences and phrases with the word contractions and other words derived from it.
• « Systole and diastole: contractions of the heart (systole) alternate with periods of expansion (diastole). »
• « Beta-1 receptors are in the muscles of the heart and allow adrenaline and noradrenaline to control heart rate and the strength of contractions. If for any reason, internal or external, the mechanism gets out of control, the heart rate speeds up and the pressure rises. »
• « Muscles are the soft parts of the body that cover the bones, support the organs and produce movements by means of contractions; they are generally covered by a layer of fat. »