17 terms

Terms	Definitions
Carbon	the element that is the chemical basis for all life on earth
Inorganic compound	compound that does not contain carbon
organic compound	A compound that contains carbon
mouth	begins to break down food into smaller pieces through mechanical digestion. saliva in the mouth begins chemical digestion
stomach	where food is digested mechanically by peristalsis and chemically by digestive solutions with the help of enzymes.
mechanical digestion	the physical breakdown of food into smaller pieces
teeth	special structures in the mouth that physically break down food by chewing and grinding
cells	once nutrients are absorbed into the bloodstream, they are carried to all the cells of your body.
chemical	when a substance is turned into a simpler or different substance during digestion, a chemical change has occurred.
chemical energy	The energy found in food
mechanical energy	During digestion, the chemical energy in food is transformed mechanical energy to allow the body to move, and then into thermal energy as heat is given off
Chemical to mechanical to thermal	the order of energy transformations in digestion
small intestine	responsible for most chemical digestion and absorption of nutrients
large intestine	where water is removed before eliminating waste
acid	enzymes, juices and acids in your stomach all contribute to chemical digestion
peristalsis	a type of physical (mechanical) digestion in which food is squeezed through your digestive tract;like from your esophagus into your stomach
Thermal energy	Your stomach releases heat during digestion. This is an example of a chemical change.

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