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