Health 9 chapter 10

Digestion

the digestive system breaks down food into molecules that the body can use

enzyme

substances that speed up reactions

absorption

the process by which nutrients pass through the lining of your digestive system

pharynx

the junction between the digestive tract and the respiratory system

epiglottis

a flap of tissue that seals off the trachea

peristalsis

waves of muscle contractions

chyme

thick liquid

bile

a substance that physically break up large fat droplets that clump together

gallbladder

store bile

villi

fingerlike structures projections