Tricuspid AV valve, bicuspid AV/mitral valve, coronary sinus, pulmonary trunk,
pulmonary arteries, pulmonary semilunar valve, pulmonary veins, pulmonary,
systemic, superior vena cava, inferior vena cava, right ventricle, capillary beds,
left atrium, right atrium, right ventricle, left ventricle, lungs, aortic semilunar
valve, aorta, oxygen.
Carbon dioxide rich blood enters the
superior vena cava, the inferior vena cava, and the
From the right atrium, blood flows through the
into the
through the
via the
of the heart. From there it is pumped
of the
and exits away from the heart via the
Blood then travels to the
of the
where it is oxygenated. From
the lungs, blood travels back to the left side of the heart through
The blood vessels that carry blood to
Blood from the lungs enters the heart at the
the
and from the lungs form the
and passes through the
the
passes through the
the large artery knows as the
circulation.
into
Blood pumped out of the left ventricle
and enters
which branches into a series
of smaller and smaller arteries that finally lead into networks of
capillaries, where
is unloaded from the blood and diffused
into the tissues.
The blood vessels that carry blood from the left side of the heart
to the tissues and back to the right side of the heart are collectively
known as the
cirulation.
After leaving the capillaries, blood flows into the venous side of
cirulation, moving from small veins into larger and larger veins. The
veins from the upper part of the body join together to form the
and those from the lower join together to
form the
