Accessory organs (liver, gallbladder & pancreas)

Question 1

Where is bile produced & stored?

Answer 1

Produced in liver
Stored in gall bladder
Released via bile duct into small intestine

Question 2

Pancreas is both an endocrine & exocrine gland

What does this mean?

Answer 2

Endocrine - secretes hormones into bloodstream

Exocrine - secretes digestive enzymes into small intestine via the pancreatic duct

Question 3

Main enzymes released by pancreas

Answer 3

Lipase
Amylase
Proteases (trypsin)

Question 4

What are brush border enzymes?

Answer 4

Small intestine’s own enzymes found on cell membranes.
Inc maltase, lactase, sucrase & peptidase
Final stage of food digestion before absorption

Question 5

Where are fatty acids absorbed into & what helps this process?

Answer 5

Absorbed into lymphatic system with help of bile

Bile is important for the absorption of fats - it emulsifies them

Question 6

Where is main site of absorption?

What adaptations help this?

Answer 6

Small intestine
Has villi & microvilli to increase surface area
Also has a thin layer of mucus & crypts