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Dig and Excret Sys

Digestive and Excretory Systems

QuestionAnswer
digestive system body system that breaks down food so the body can use the nutrients
incomplete digestive system a digestive system with a sac-like form, with single opening into which the food enters and from which undigested food remnants exit; example - hydra
complete digestive system digestive system consisting of a digestive tract and two body openings (mouth and anus)
mechanical digestion Physical breakdown of large pieces of food into smaller pieces
chemical digestion Process by which enzymes break down food into small molecules that the body can use
esophagus A muscular tube that connects the mouth to the stomach.
saliva digestive juice produced by salivary glands
small intestine in the digestive system, the long muscular tube where most digestion takes place
stomach the pouch-like body part below the esophagus, which stores and processes chewed food
anus opening through which undigested food remnants exit a digestive system
liver organ that produces bile, stores glycogen, and removes toxins from the body
kidneys paired organs that clean the blood, producing urine from waste
excretory system the system that removes metabolic wastes from the body
large intestine in the digestive system, the long organ that removes excess water from undigested food
mouth an opening through which food enters a digestive system
bladder organ that stores liquid waste before it leaves the body; the bladder can stretch to hold about a pint of urine
enzymes Catalysts for chemical reactions in living things
stomach acid Breaks down proteins, breaks them down into sugar and acids
Created by: kmaddix
 

 



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