Digestion

Question 1

Function of mouth

Answer 1

Chew food (mechanical digestion)

Question 2

Function of pharynx

Answer 2

Receives food from mouth and transports to oesophagus

Question 3

Function of oesophagus

Answer 3

Tube joins stomach and mouth, muscle contractions (peristalsis) help move food along

Question 4

Function of Salivary glands

Answer 4

Create saliva to help with chewing and swallowing

Question 5

Function of stomach

Answer 5

Stomach acid and enzymes breakdown food / bile

Question 6

Function of liver

Answer 6

provides bile to gallbladder

Question 7

Function of gallbladder

Answer 7

store bile - transport to stomach and duodenum

Question 8

Function of Pancreas

Answer 8

makes pancreatic enzymes that break down sugars, fats, and starches

Question 9

Function of small intestine

Answer 9

has vili to further digest and absorb nutrients
Duodenum - pancreatic enzymes
Jejunum - villi
ILEUM - villi

Question 10

Function of large intestine

Answer 10

absorbs water and salts from bolus / creates stool

Question 11

Function of rectum/anus

Answer 11

rectum = lets body know u need to go
anus = where stool exits body

Question 12

Explain difference between mechanical and chemical digestion

Answer 12

Mechanical digestion involves physical movement to make foods smaller. Chemical digestion uses enzymes to break down food.

Question 13

What organ does the majority of chemical digestion occur?

Answer 13

Small intestine:

• vili
• long

Question 14

Main function of vili

Answer 14

increasing the surface area for food absorption and adding digestive secretions.

Question 15

ENZYMES

Answer 15

Protease - convert protein to amino acids (trypsin (si) pepsin)
Amylase - Breaks down starch (carbs) (saliva)
Lipase - converts fats to fatty acids or glycerol

Most happens in stomach