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Science Unit 8.6
The Excretory System
5
Science
5th Grade
09/21/2009

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Cards

Term
Carbon dioxide is a waste product from breathing. Which organ of
the body, which is attached to the trachea, pushes carbon dioxide
out of the body?
Definition
lungs
Term
Which organ, located just below the diaphragm, turns waste
materials from the blood into urea?
Definition
liver
Term
Which organ releases salt and liquid waste from the body through
its pores and glands?
Definition
skin
Term
Which pair of organs, located in the lower back, collects liquid
and waste from the blood
Definition
kidneys
Term
How does the human urinary system fi lter waste from the blood,
store it and then get rid of it? Please include the word kidneys,
urine, and bladder in your answer.
Definition
Blood transports urea, old cells, excess salt, and unwanted water to the kidneys. Waste and water are filtered in the kidneys, producing urine. Urin flows through ureter tubes and is stored in the bladder. When the bladder gets full, urine exits the body through the urethra.
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