UNIT 1- Digestive system

Question 1

Mouth

Answer 1

Chews food and adds saliva. Start of carbohydrate break down.

Question 2

Oesophagus

Answer 2

Food passes down this tube.

Question 3

Stomach

Answer 3

Adds acid to kill bacteria and allows digestive chemicals to work. Churns to mix. Start of protein digestion. (Food is mixed with digestive juices and acids.)

Question 4

Liver

Answer 4

Produces Bile, that is released in the entrance of the small intestine to help break down the lipids.

Question 5

Pancreas

Answer 5

Produces digestive chemicals which aid the digestion of carbs, proteins and lipids.

Question 6

Small intestine

Answer 6

Carbs, proteins, and lipids are broken down and absorbed into the bloodstream.

Question 7

Large intestine

Answer 7

Only food that cannot be digested gets this far. Water passes back into the body leaving a solid waste of undigested food called feces.

Question 8

Rectum

Answer 8

Feces are stored until they leave the body.

Question 9

Anus

Answer 9

Muscular ring through which feces pass out of the body.