Digestion Begins
The breaking down of food into a form that can be used by the body is...
digestion
What is the replacement of water that has been lost from the body?
hydration
alimentary canal
What is the removal of unneeded substances from the body?
excretion
The glands in the mouth are called...
the salivary glands
Urine is stored in an expandable pouch called...
the bladder
Chemical reactions within the body are performed by chemicals called...
enzymes
What are the bean-shaped organs that filter blood?
kidneys
epiglottis
What drug is found in coffee, soda, some teas, and energy drinks?
caffeine