6- Homeostasis=)

Question 1

Each year, a few people with type I diabetes are given a pancreas transplant.
Pancreas transplants are not used to treat people with type II diabetes.
Give two reasons why pancreas transplants are not used for the treatment of type II
diabetes. (2)

Answer 1

1. still produces insulin
2. cells ↓ sensitive to insulin (/ faulty insulin receptors)
3. controlled by diet/ exercise

Question 2

Explain the difference between endocrine and exocrine with regard to the pancreas. (4)

Answer 2

• exo secrete digestive enzymes
• into external environment
• endo secrete hormones (insulin + glucagon)
• into internal environment