Chapter 3- Digestive System

Question 1

Mouth-

Answer 1

Where the food enters

Question 2

Salivary glands-

Answer 2

Produces saliva

Question 3

Oesophagus-

Answer 3

Muscular tube where food goes down

Question 4

Stomach-

Answer 4

Muscular organ where food is broken down

Question 5

Pancreas-

Answer 5

Produces digestive enzymes

Question 6

Liver-

Answer 6

Produces bile

Question 7

Gall bladder-

Answer 7

Stores bile

Question 8

Small intestine-

Answer 8

Where digested food is absorbed into blood

Question 9

Large intestine-

Answer 9

Where water is reabsorbed

Question 10

Rectum-

Answer 10

Where faeces are stored

Question 11

Anus-

Answer 11

Where the poo leaves

Question 12

What do fluoride compound do?

Answer 12

Reducing ability of of bacteria on plaque to reduce acid

Question 13

Break down of proteins

Answer 13

Protease into amino acids

Question 14

Break down of fats and oils-

Answer 14

Lipases into fatty acids and glycerol

Question 15

Break down of starch

Answer 15

Amylase into maltose and tested with iodine solution from browny orange to bluey black

Question 16

Break down of maltose

Answer 16

Maltose into glucose

Question 17

When does differentiation occur?

Answer 17

During the development of a multicellular organism

Question 18

What do tissues form?

Answer 18

Organs

Question 19

What do organs form?

Answer 19

Organ systems

Question 20

What is the lock and key diagram?

Answer 20

It is where the enzymes have a specific active site with a unique shape that fits into the enzyme so they can catalyse reactions

Question 21

What do chemical reactions do?

Answer 21

They split apart or join together enzymes

Question 22

What items change the rate of reaction of enzymes and catalysts?

Answer 22

Temperature change, pH

Question 23

How do you calculate the rate of reaction?

Answer 23

Rate = 1000/time