Health 1
The ___ blood cells fight off infection.
white
The liquid part of your blood is called?
___ help the clotting of the blood.
Platelets
Antibodies help fight ___.
pathogens (germs)
A blood clot on your skin is called a ___?
scab
The part of your body that carries digested food is?
plasma
___ carry blood to your heart.
Veins
The pressure of blood against the arteries is called?
blood pressure
Another name for the heart is?
Cardiac muscle
The flow of blood throughout the body is called?
circulation
The smallest blood vessels are the?
capillaries
A child has about ___ quarts of blood.
3
Our bodies need one full day of ___ each week.
rest
Iron gives red blood cells their ___.
color
The expanding of the arteries after each heartbeat is called a?
pulse
a lower chamber of the heart.
ventricle
little doorlike flaps of the heart.
valves
supplies blood to the lungs.
pulmonary artery
an upper chamber of the heart.
atrium
the largest artery in the body.
aorta
two large veins that enter the heart.
venae cavae
The blood travels through ___ miles of pipeline in our bodies.
60,000
Two things that will keep the heart healthy are ___ and ___.
exercise and rest
When does a red blood cell turn a dark bluish red color?
When it releases the oxygen it has and receives waste products from the body.
An enlarged, painful vein is called a ___ vein.
varicose