the digestive system

Question 1

what is the purpose of saliva

Answer 1

lubricate food

Question 2

what is the purpose of the stomach

Answer 2

store, churn, breakdown food (with enzymes) and pass it to small intestine for digestion later

Question 3

what happens to enzymes if they are to hot

Answer 3

denatured

Question 4

what is the purpose of the small intestine

Answer 4

absorb nutrients from the food with villi

Question 5

what is a villi

Answer 5

microscpoic branch that helps increase surface area so food can be absorbed

Question 6

what is the purpose of the large intestine

Answer 6

absorb water from indigestible food

Question 7

what is the purpose of the rectum

Answer 7

release indigestible food through the anus after being stored (defication)

Question 8

what is the purpose of th liver

Answer 8

produce bile which helps at digesting lipids (fats)

Question 9

how do enzymes break down nutrients

Answer 9

break them appart so they are small enough to get absorbed

Question 10

what is the purpose of the oesophagas

Answer 10

push a ball of food called a bolus down to the stomach with rings of muscle