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Heart (Pathway of blood (1)vena cava (enter heart from body), 2)right…
Heart
Pathway of blood
1)vena cava (enter heart from body)
2)right atrium
3)right ventricle
4)pulmonary artery (exit heart to lungs)
5)lungs
6)pulmonary vein (enter heart from lungs)
7)left atrium
8)left ventricle
9)aorta (exit heart to body
Cardiac Cycle
3)Atrial Systole - atria contract to pump blood into ventricles
4)Ventricular Systole - ventricles contract to pump blood out of heart
1)Atrial Diastole - atria relax and fill up with blood
2)Ventricular Diastole - ventricles relax and fill with blood
= electrical and mechanical events within the heart during a complete beat
Heart Rate Regulation Graphs
1)Pre Exercise 'Anticipatory Rise' - slow increase in heart rate due to increase in adrenaline
2)During exercise - sudden increase in heart rate until maximum, where it plateaus
4)After exercise - slow decrease until resting heart rate