Science Ch 3 Word Scramble
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Term | Definition |
digestion | breaking down food into simpler substances that your body can use |
saliva | a watery fluid that softens and moistens food |
esophagus | the long muscular tube that brings food into the stomach |
stomach | a muscular organ that changes food into a thick soupy liquid |
small intestine | the organ that completes digestion and allows digested food to enter the blood |
large intestine | the thick tube-like organ that removes undigested waste |
diaphragm | a large, flat muscle that pulls air in and pushes air out of the lungs |
lung | one of the two organs that fills with air when you inhale |
alveoli | air sacs in the lungs where gases move into and out of the blood |
capillary | a tiny blood vessel |
heart | a muscular organ that constantly pumps blood throughout the body |
artery | a thick-walled blood vessel that carries blood away from the heart |
vein | a blood vessel that carries blood back to the heart |
kidney | an organ that filters certain body wastes out of the blood |
bladder | an organ that stores liquid wastes from the kidneys temporarily |
nephron | a part of the kidneys where waste materials are separated from useful materials in the blood |
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