2. Conduction System 3. Bundle of HisPurknjieFibresConduction
system.MP3 4. Conduction Cardiac CycleBloodSA node sends stimulus
to AV Atrial Systole LA to LV node RA to RVAV Node to Bundle of His
andVentricular Systole LV to body via AortaPurkinje Fibres RV to
lungs via PulmonaryArtery Nothing! DiastoleFrom body to RA via Vena
CavaFrom lungs to LA via Pulmonary VeinDeoxygenated bloodAtria fill
withOxygenatedenters RA from Vena bloodblood arrivesCava at LA from
lungs via Right Pulmonary Atrium Left VeinAtrium RightLeft
VentricleVentricle Oxygenated Deoxygenated blood leaves LV blood
leaves RV to in aorta to the the lungs viaVentricles fill body
Pulmonary Artery with blood 5. Conduction Cardiac CycleBloodSA node
sends stimulus to AV Atrial Systole LA to LV node RA to RVAV Node
to Bundle of His andVentricular Systole LV to body via
AortaPurkinje Fibres RV to lungs via PulmonaryArtery Nothing!
DiastoleFrom body to RA via Vena CavaFrom lungs to LA via Pulmonary
VeinDeoxygenated bloodAtria fill withOxygenatedenters RA from Vena
bloodblood arrivesCava at LA from lungs via Right Pulmonary Atrium
Left VeinAtrium RightLeft VentricleVentricle Oxygenated
Deoxygenated blood leaves LV blood leaves RV to in aorta to the the
lungs viaVentricles fill body Pulmonary Artery with blood
