List the pathway the electrical impulse takes from the right
atrium to cause the left ventricle to contract. In other words,
describe the pathway of the intrinsic electrical system of the
heart to the left ventricle.
1.In the human heart, blood is pumped from the left ventricle
into the
left atrium.
right atrium.
pulmonary circuit.
systemic circuit.
2.Systolic pressure is
Group of answer choices
the lowest blood pressure in the aorta.
the pressure measured when the left ventricle is relaxed.
the peak pressure in the aorta when the left ventricle
contracts.
the difference between the highest and lowest pressures.
an average of high and low pressures.
3.The diastolic pressure for a normal young adult would be...
Normally after birth, the blood entering the right side of the
heart (right atrium) is low in oxygen, while the blood leaving the
left side of the heart and entering the body’s main circulation
(the aorta) is high in oxygen. However, sometimes the foramen ovale
fails to close after birth. What effect will this have on the level
of oxygen in the blood that leaves the heart to enter into the
aorta? Fully explain why.