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50 Cards in this Set

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  • Back
the process o breaking down the nutrients in foods into a form your body can absorb and use
Digestion
the part of the tooth that can be seen above the gum
Crown
the hard outer layer that covers the crown; the hardest material in your body
Enamel
most of the tooth that is made o a yellowish bonelike material
Dentin
covers the dentin and is another bonelike material
Cementum
the channel in a tooth through which nerves and blood vessels connect with nerves and blood vessels in the jawbone
Root Canal
the tissue that surrounds the teeth and covers the bone around the teeth
Gingiva
bad breath
Halitosis
a sticky, invisible, bacteria-filled film that covers the teeth
Plaque
a silver colored mixture of several metals used to fill teeth
Amalgam
a material formed when plaque hardens on the teeth, tartar
Calculus
a condition in which the gums become red and swollen and bleed easily
Gingivitis
a more advanced stage of gum disease
Periodontitis
when the upper and lower teeth do not meet properly
Malocclusion
a dentist who specializes in correcting the position of teeth
Orthodontist
the smallest living unit o the body
Cell
a liquid that aids in digestion that is produced by the mouth
Saliva
substances that help carry out chemical reactions in the body
Enzymes
a small flap of tissue that automatically covers the opening to your windpipe when you swallow
Epiglottis
a muscular tube that connects the mouth and the stomach
Esophagus
the wavelike muscular action that pushes food through the esophagus and the rest of the digestive system
Peristalsis
muscular, saclike organ with a circular band of muscle at each end
Stomach
the thick liquid formed in the stomach, a mixture of food and gastric juices
Chyme
a long, tube-like organ in which chemical digestion and the absorption of nutrients are completed
Small Intestine
tiny, fingerlike projections that line the small intestine
Villi
a large organ that removes harmful materials from the body and also produces a digestive juice called bile
Liver
aids in the digestion o fats by breaking large droplets of fat into smaller ones
Bile
a sac attached to the liver that holds bile
Gallbladder
an organ that produces hormones and several digestive enzymes
Pancreas
tube-like organ that absorbs water and gets rid of waste
Large Intestine
solid waste materials eliminated through the digestive system
Feces
the last few inches o the large intestine in which feces are held until they are released from the body
Rectum
the opening of the rectum
Anus
an inability to digest lactose because the digestive system does not produce enough lactase
Lactose Intolerance
a sore that forms when stomach acid damages the lining of the digestive tract
Peptic Ulcer
enlarged veins in the anal area
Hemorrhoids
an infection of the appendix
Appendicitis
an ongoing inflammation o the lower part of the small intestine
Crohn’s Disease
the major waste product produced from the breakdown of protein
Urea
the process by which the body collects and removes wastes produced by its cells
Excretion
organs that filter wastes, particularly urea, from the blood
Kidneys
the filtering unit of the kidney
Nephron
composed of water, urea, and other substances; the liquid that is let in the tube after the re-absorption process
Urine
a long tube that carries urine away from the kidney
Ureter
a muscular sac that sores urine
Bladder
the tube through which urine leaves the body
Urethra
an inflammation, or swelling, or the nephrons
Nephritis
pebble-like masses o salts in the kidneys or urinary tract
Kidney Stones
poisoning of the body caused by the failure of the kidneys to remove wastes from the bloodstream
Uremia
a process in which a machine is used to filter blood in place of the kidneys
Kidney Dialysis