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Grade 5 Natural Science Unit 4
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What takes the blood from the heart to the organs? (arteries/veins/capillaries)
veins
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Blood enters the heart through the ______. Then it flows into the ______ where it is pumped out.
Atria, ventricles
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Where is the bladder?
3
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What are the 3 types of blood vessels?
arteries, veins, capillaries
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__________ circulation is where the blood travels between the heart and the lungs.
Pulmonary
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Where are the ureters?
1
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True or False: Arteries, such as the aorta, carry blood away from the heart.
True
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What are the 3 main components of the circulatory system?
blood, blood vessels, and the heart
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What 2 things make up the excretory system?
Urinary system and sweat glands
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What is the name of #4?
Urethra
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True or False: Red blood cells fight infections such as bacteria and viruses.
False, White blood cells
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What does the urinary system produce? What do sweat glands produce?
Urine and Sweat
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How does sweat cool the skin?
The water evaporates and cools the skin.
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What do the kidneys do for the excretory system?
They remove waste products and any water that isn't needed to create urine.
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The circulatory system transports ___ and ___ around the body. (A.) nutrients and oxygen (B.) nutrients and carbon dioxide
nutrients and oxygen
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What does the excretory system do?
It removes waste from the body.
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True or False: Sweat is made of 3 things: water, blood, and salt.
False. Water, salt, and minerals
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Where are the kidneys in this picture?
2
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__________ circulation is where blood travels between the heart and the other organs.
Systemic
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_________ is a mixture of water, nutrients, dissolved gases, waste products, and salt.
Plasma
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What are the 4 components of blood? P______, W______, R______, P______.
Plasma, White blood cells, Red Blood cells, Platelets
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