This card explains the cardiac cycle, describing the events of a single heartbeat, including diastole (relaxation) and systole (contraction) of the atria and ventricles.
Tato karta vysvětluje srdeční cyklus, který popisuje události jednoho srdečního tepu, včetně fází diastoly (relaxace) a systoly (kontrakce) síní a komor.
| Front | Cardiac cycle 3.1.2(e) |
|---|---|
| Back | - describes events in single heartbeat - in diastole, heart relaxes, atria/ventricles fill with blood, vol/pressure of blood builds in heart, pressure in arteries low - in systole, atria contracts (atrial systole) then ventricle (ventricular systole), pressure inc and blood forced out RHS to lungs, and from LHS to body, now vol/pressure of blood in heart low, blood pressure in arteries high |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Sound forced ventricles heartbeat 3.1.2(e stethoscope hear blood
Previous card: Blood lv rv ra opens full contracts closes
Up to card list: OCR A Biology