#4; Chap. 19; BLOOD FLOW THROUGH HEART
Step eight: contraction of left ventricle (simultaneous with step 3) forces ____ open.
Aortic Valve
Step nine: blood flows through aortic valve into ____.
Ascending Aorta
Step ___: contraction of left ventricle (simultaneous with step 3) forces aortic valve open.
Eight
Step ___: blood returns to heart via venae cavae.
Eleven
Step ten: blood in aorta is distributed to ___ in the body, where it unloads O2, & loads CO2.
Every Organ
Step ___: blood is distributed by right & left pulmonary arteries to the lungs, where it unloads CO2 & loads O2.
Five
Step ___: blood flows through pulmonary valve into pulmonary trunk.
Four
Step six: blood returns from lungs via pulmonary veins to ___.
Left Atrium
Step seven: blood in left atrium flows through left AV valve into ___.
Left Ventricle
Step ___: blood flows through aortic valve into ascending aorta.
Nine
Step ___: blood enters right atrium from superior & inferior vena cavae.
One
Step four: blood flows through pulmonary valve into ____.
Pulmonary Trunk
Step three: contraction of right ventricle forces ___ open.
Pulmonary Valve
Step five: blood is distributed by ___ to the lungs, where it unloads CO2 & loads O2.
Right & Left Pulmonary Arteries
Step one: blood enters ___ from superior & inferior vena cavae.
Right Atrium
Step two: blood in right atrium flows through right AV valve into ____.
Right Ventricle
Step ___: blood in left atrium flows through left AV valve into left ventricle.
Seven
Step ___: blood returns from lungs via pulmonary veins to left atrium.
Six
Step ___: blood in aorta is distributed to every organ in the body, where it unloads O2, & loads CO2.
Ten
Step ___: contraction of right ventricle forces pulmonary valve open.
Three
Step ___: blood in right atrium flows through right AV valve into right ventricle.
Two
Step eleven: blood returns to heart via ____.
Venae Cavae