Digestive System

Question 1

Mouth

Answer 1

Teeth and tongue
Shredding food
Role food into bolus

Question 2

Esophagus

Answer 2

2 cm diameter with Smooth muscle layer
Food passes down while peristalsis occurs
Has sphincter to prevent acid reflux

Question 3

Stomach

Answer 3

J shaped bulge
Muscle crushed food along rugae-stomach lining

Question 4

Small intestine

Answer 4

Coiled tube
Ensures absorption of food

Question 5

Large intestine

Answer 5

Wider but smelling intestine
Ensures correct number of minerals are absorbed

Question 6

Rectum

Answer 6

Muscular tube connected to colon
Stored waste

Question 7

Anus

Answer 7

Opening at end of digestive track
Release of waste

Question 8

Salivary glands

Answer 8

Side of cheeks in mouth
Breakdowns starch into maltose-simpler sugar

Question 9

Liver

Answer 9

Upper right side of abdomens
Produces 1l of bile which breaks down fats

Question 10

Pancreas

Answer 10

Tadpole shaped behind stomach
Produces insulin to regulate blood sugar and release enzymes

Question 11

Gall bladder

Answer 11

Pear shaped under liver
Stores bile

Question 12

Mechanical digestion

Answer 12

Occurs in stomach

Question 13

Chemical digestion

Answer 13

Small intestine

Question 14

Villi and microvilli

Answer 14

Tiny projection on lining of small intestine
In read surface area to aid absorption

Question 15

Enzymes

Answer 15

Located in salivary glands
Produce amylase converts starch into simpler sugar