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Science crossword puzzle

Armando FerraJ

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Across
1.Liquid product of digestion.
4.Anywhere where two or more bones meet.
6.Not regularly shaped cell fragment that helps clot blood.
8.Tube way passage that allows, food, liquid, and air to pass through.
11.Wave of muscular contractions that move food through digestive tract.
14.Building block of protein.
16.Tough band of tissue that holds bones together at joint.
18.Microscopic blood vessels, connects arteries and veins.
19.Mechanical and chemical breakdown of food.
20.Lung disorder where bronchial tubes contract quickly and cause shortness of breath.
Down
2.An organ that can relax, extract, and provides force to move body parts.
3.Bean shaped urinary organ.
5.Tough fighting membrane that covers surface of bones.
7.soft tissue that cushions the ends of bones.
9.Two upper chambers of the heart.
10.A nutrient that is the body's main source of energy.
12.Oval shaped muscle under the lungs.
13.Chemical in red blood cells that bring oxygen from body to other parts.
15.Tube that carries urine from bladder to outside of the body.
17.Watery part of the blood.

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