Digestive System- Digestive Tract

Question 1

ingestion

Answer 1

occurs when material enters the mouth

Question 2

mechanical processing

Answer 2

crushing/shearing of food to make it easier to go through tract

Question 3

secretion

Answer 3

release of water acids, buffers, enzymes, and salts by epithelium to the GI tract and glandular organs

Question 4

digestion

Answer 4

mechanical breakdown off food into small organic compounds for absorption

Question 5

absorption

Answer 5

movement of water, vitamins, organic substances, and electrolytes across the digestive epithelium

Question 6

electrolytes

Answer 6

substances that help the body regulate chemical reactions and help maintain body fluids inside and outside cells

Question 7

excretion

Answer 7

removal of waste from body fluids