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5th Grade Ch 3 Sci

Vocabulary

QuestionAnswer
arteries carries blood AWAY from your heart
capillary SMALLEST kind of blood vessel
veins carries blood TO the heart
valves an opening that allows blood vessels to flow (in one direction)
mucus THICK, STICKY FLUID that traps things in the air
trachea tube that carries air from the THROAT to the LUNGS
bronchioles tubes that branch out from the BRONCHI
air sacs tiny thin-walled POUCHES in the lungs
esophagus tube in the throat with RINGS OF MUSCLE that help you swallow food
Created by: msparks
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