Digestion
The process of breaking down food into a form that the body can use
Digestion
Process by which digested nutrients are taken into the bloodstream
Absorption
Removal of unneeded substances from the body
Excretion
Digestive organ located between the stomach and small intestine; produces pancreatic juice and insulin
Pancreas
Digestive juice in the mouth
Saliva
The largest organ inside the body; recycles red blood cells to produce bile salts, stores and processes nutrients, and filters blood
Liver
Replacing water that has been lost from the body
Hydration
Digestive organ that is a small elastic bag made of bands of muscles; breaks down and stores food
Stomach
Long, muscular tube through which food travels in the digestive system; includes the mouth, esophagus, stomach, small intestine, and large intestine
Alimentary canal
Twenty-foot-long tube of muscle and other tissues that is coiled up just below the stomach; digests most food and absorbs most nutrients
Small intestine
Expandable pouch that stores urine
Bladder
The last organ of the elementary canal; prepares undigested food to be removed from the body as waste
Large intestine
Any of the special chemicals that perform chemical reactions within the body
Enzyme
Hormone, or chemical messenger, made in the pancreas; helps the body remove excess sugar from the blood
Bean-shaped organs that filter the blood
Kidneys
Drug that is naturally found in the leaves or fruits of some plants; forces the kidneys to give up more water, increasing the amount of urine produced and the amount of water lost by the body
Caffeine
Muscular tube that carries food from the pharynx to the stomach
Esophagus
Hair-like projections in the small intestine through which food is absorbed
Villi
Body system that removes liquid waste products and regulates the amount of water in the body; part of the excretory system
Urinary system
A greenish digestive juice produced by the liver; performs emulsification of fats
Bile