| Term | Definition |
|---|
| arteries | the largest blood vessels; they carry the blood AWAY from the heart |
| capillaries | tiny thin-walled blood vessles that carry blood between arteries and veins |
| digestion | the body chemically changing food into small parts that can be used by the body |
| digestive system | the system that breaks food into small parts to be used by the body |
| esophagus | the tube that takes food from the mouth to the stomach |
| heart | the organ that pumps blood around the body |
| large intestine | a tube about 5 ft. long that takes water out of undigested food and pushes the waste out the body |
| red blood cells | the part of the blood that carries oxygen |
| saliva | a liquid made in the mouth that mixes with food to help with digestion |
| small intestine | a tube about 22 ft. long which mixes juices into the food to help digestion |
| stomach | a large bag, made mostly of muscles, which churns and squeezes food |
| veins | smaller blood vessels which carry blood back to the heart and lungs |
| white blood cells | the part of the blood that fights germs to keep you from getting sick |
| villi | tiny finger-like projections that line the inside of the small intestine; they contain blood vessels and help absorb nutrients |
| peristalsis | the wave-like muscular contractions of the alimentary canal by which its contents are moved forward |
| plasma | the watery part of the blood; the plasma carries nutrients throughout the body |
| circulatory system | the system that carries blood around the body; the main organ is the heart |
Combine with other sets
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