Digestive Juices

Question 1

Soften and lubrication of
food. Provide neutral
medium for action of
salivary amylase and help to
preserve teeth against acid
formed by bacteria.

Answer 1

Salivary ( salivary gland)

Water, Mucous salts

Question 2

Act on starch and split into
dextrin and maltose

Answer 2

Salivary ( salivary gland)

Salivary amylase

Question 3

Further soften of food.
Prevent gastric juice from
damaging the stomach wall.

Answer 3

Gastric juice ( gastric gland)

WATER , MUCOUS

Question 4

Stop the action of salivary
amylase and allow pepsin to
work and kills
microorganisms

Answer 4

Gastric juice ( gastric gland)

HYDROCHLORIC ACID

Question 5

Protein moieties of the food
are hydrolysed into
proteases, peptone and
polypeptides and curdle of
milk in adults when rennin
enzymes are absent.

Answer 5

Gastric juice ( Gastric gland)
PEPSIN( SECRETED AS A PEPSINOGEN)

Question 6

Milk casein is covered into
curds such as paracassinate,
which is easily attached by other protein digesting

Answer 6

Gastric juice

RENNIN

Question 7

Waste materials excreted
with faeces on absorbed and
re-excreted later.

Answer 7

Bile juice ( liver)

WATER