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24 Cards in this Set

  • Front
  • Back
The circulatory system uses blood to move oxygen, wastes, and ____________ through the body.
nutrients
The heart is an organ of the ______________ system.
circulatory
The heart is made of ______________ tissue.
muscle
The heart has ______________ chambers.
four
The _____________ cells absorb oxygen in the lungs and carry it through the body.
red blood
The _________________ cells help fight infection in the body.
white blood
________________ are the large blood vessels that carry the oxygen rich blood away from the heart.
Arteries
_____________ are the smallest blood vessels.
Capillaries
_______________ are the blood vessels that carry the blood back to the heart.
Veins
The ______________ that your cells need enters the body through the respiratory system.
oxygen
In the respiratory system, air travels into and out of the ______________ when we breathe.
lungs
Another name for the windpipe is the _______________.
trachea
The trachea branches into two pipes in your lungs called ____________.
bronchi
The smallest tubes in the lungs end in tiny air sacs called _______________.
alveoli
Your _____________ system provides the nutrients your cells need to produce energy by breaking down food into nutrients and then getting the nutrients into the blood.
digestive
____________ glands help to moisten and break down the food as you chew.
Saliva
The _______________ is a long tube that carries the food to the stomach.
esophagus
After several hours in the stomach, the partly digested food moves into the __________ where chemicals finish digesting it.
small intestine
Nutrients move from the small intestine into the blood by traveling through tiny tubes sticking out of the wall of the small intestine called ___________.
villi
The ______________ produces a chemical called insulin that controls how much sugar is in the blood.
pancreas
The function of the ___________ system is to remove cell wastes from the blood.
excretory
Water and a waste called urea flow from the liver into the _________________ .
kidney
______________ is a mixture of urea and water.
Urine
Urine is stored in an organ that empties when full called the __________________.
bladder