coming from
ike upper part
of the body
(Descending
vena cava)

Veins coming

from the

lungs

Right auricle
Valves

Artery going to the lungs

-Artery going to the

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(Aorta)

Veins comin

from the

lungs

Left auricle
Valves

rVein coming from
the lower part

of the body
(Ascending vena cava)

THE HEART AJSX> LARGE BLOOD VESSELS

Follow the flow of blood from the vein coining from the uppe
part of the body through the heart and out through the arter
called the aorta.

who has sore joints or frequent nosebleeds should be
examined by a doctor as soon as possible. He may have
rheumatic fever. People who have rheumatic fever need
special care and a long, long rest in bed.

In rheumatic fever and other kinds of heart disease the
person who has learned to rest and take life as it comes—
both the bright and the dark—lives longest.

Cancer is a disease to be prevented and cured, not
feared. We do not fear things we understand and can do
something about. Marie Curie, who did so much toward
giving radium * to humanity, said: "Nothing in life is to
be feared. It is only to be understood." Old-fashioned

2*5