Digestion

Question 1

Teeth and tongue

Answer 1

Mechanically breaks down food into smaller pieces.

Question 2

Salivary gland

Answer 2

Produces saliva to lubricate the food, chemical digestion through enzymes.

Question 3

Epiglottis

Answer 3

Seals off the windpipe during eating in order to not to accidentally inhale food.

Question 4

Oesophagus

Answer 4

Muscular tube connecting the throat to the stomach.

Question 5

Stomach

Answer 5

Secretes acid and enzymes that digest food, the acid also kills bacteria and the
stomach is churning the food to enhance digestion.

Question 6

Liver

Answer 6

Produces bile which is needed for the digestion and absorption of fat (lipids).

Question 7

Pancreas

Answer 7

Secretes digestive juices.

Question 8

Gall bladder

Answer 8

Stores bile.

Question 9

Small intestine

Answer 9

Nutrients are being absorbed into the blood stream.

Question 10

Large intestine

Answer 10

Water is being absorbed into the blood stream.

Question 11

Rectum

Answer 11

Stores faces until it is released.

Question 12

Anus

Answer 12

Controls the expulsion of faeces.

Question 13

Appendix

Answer 13

Unknown however, one theory is that it acts as a storage house for good bacteria.