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10
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Name of the vessels that carry blood back to the heart.
Veins
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10
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How many chambers does the heart have?
Four
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15
×
We find these cells inside the lymph nodes.
White blood cells
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15
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Gas, nutrients, and waste exchange between blood and body tissues takes placeโฆ where?
In the capillaries
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heart
Other team wins 25 points!
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seesaw
Swap points!
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fairy
Take points!
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25
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thief
Give points!
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15
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Name of the two thin tubes that take urine from the kidney to the bladder.
Ureters
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10
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Which are the thinnest blood vessels?
Capillaries
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15
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Name of the protein that carries oxygen.
Hemoglobin
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15
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The beating sound your heart makes comes from...
valves closing
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15
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Sweat glands in the skin secrete a fluid waste called sweat or perspiration. That means that they are part of the excretory system. True or false?
True. However, the primary function of sweat glands is to keep the core body temperature at approximately 37 ยฐC
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20
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Name the three stages of urine formation.
They are filtration, reabsorption, and tubular secretion
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15
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How many nephrons does each kidney have?
Over one million
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trap
No points!
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gift
Win 25 points!
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rocket
Go to first place!
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banana
Go to last place!
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monster
Reset all scores!
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fairy
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25
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shark
Other team loses 10 points!
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baam
Lose 20 points!
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15
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What organ removes waste from blood?
Kidney
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15
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The _______ is a muscle that prevents urine from exiting the bladder until youโre ready to urinate.
Sphincter
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