1.4 & 1.5 digestion

Question 1

what is a digestive system

Answer 1

a group of organs used to break down food

Question 2

what happens during digestion

Answer 2

food starts of as large molecules then the digestive system breaks them down into smaller molecules of nutrients that are absorbed into the bloodstream

Question 3

what happens in the stomach

Answer 3

food is mixed with digestive juices and acids

Question 4

what happens in the small intestine

Answer 4

digestive juices from the liver and pancreas are added and digestion completed
small molecules nutrients pass through the intestine wall into the bloodstream

Question 5

what happens in the large intestine

Answer 5

undigested food reaches the large intestine
it is turned into feces
travels trough till reaches the anus

Question 6

how is the small intestine adapted to its function

Answer 6

villi - stick out
large surface area
contain blood capillaries
thin cell walls