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Digestive System (Standard 7.L.1.4)
Terms in this set (14)
the breakdown of food into simpler components that can be absorbed and used by the body
chemical breakdown of nutrients through the action of enzymes and other substances
physical breakdown of foods, like chewing by teeth and churning of the stomach
in the digestive system, it refers to the passage of nutrients and water through the walls of the intestines into the blood stream
the process by which digested food material, called waste, is removed from the body
long, thin tube between the stomach and the large intestine where 90% of the nutrient absorption occurs
finger-like projections that line the wall of the small intestine that increase the absorption of nutrients from food passing through
final section of the digestive system where water and vitamins are absorbed into the blood stream and where digested food material is converted to feces
a substance that is used by the body for energy, growth, or other processes essential to life.
The six essential nutrients of life for humans are carbohydrates, proteins, fats, vitamins, mineral, and water.
also called sugars, these nutrients are a major source of energy in the diet
a digestive system organ that secretes pancreatic juices to the small intestine to help break down hard to digest foods like proteins, complex carbohydrates (starch), and lipids (fats). It also doubles as an endocrine gland to regulate blood sugar by secreting insulin and glucagon.
a digestive system organ that produces bile, a lipid (fat) digestion chemical that is temporarily stored in the gall bladder. It also assists in the detoxification of chemicals the body is unfamiliar with, like alcohol and medications.
a digestive system organ that temporarily stores bile, a lipid (fat) digestion chemical that is made by the liver
a molecule, usually a protein, that breaks down nutrients into smaller, more simpler chemicals
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