1. What do I remember?
What is the effect of chronically elevated blood glucose levels on blood vessels?
What cardiovascular diseases are a consequence of atherosclerosis? (Revision!!)
What is insulin the hormone for?
What is glucagon the hormone for?
Explain the negative feedback control of blood glucose
What effect does adrenaline have on blood glucose levels?
What’s the difference between the two types of diabetes?

2. Unit 2 Physiology and Health 5. Obesity
Higher Human Biology
Unit 2 Physiology and Health
5. Obesity

3. What do I need to know?
What diseases is obesity a major risk factor for?
How is obesity characterised?
What is BMI?
How is body fat more accurately measured?
What type of diet is obesity linked to?
How can obesity be reduced?

4. What diseases is obesity linked to?
Revision of diseases so far

5. Cardiovascular Disease
Angina
Heart attack
Pain subsides with rest

6. Cardiovascular disease
Stroke
Peripheral vascular disease
Pain felt in muscles to due inadequate blood flow

7. Type 2 Diabetes Type 2 Typically develops in adulthood
Cells less sensitive to insulin
Individuals have less insulin receptors in the liver
Glucose not converted to glycogen
Can be controlled by diet, weight loss and exercise

8. How is obesity characterised?
Excess body fat in relation to lean body tissue (muscle)

9. What is BMI? Body Mass Index Used as an indicator for obesity
Not accurate
You can have a very high BMI despite having low fat to muscle ratio

10. How is body fat measured accurately?
Body density

11. Diet linked to obesity High fat Decrease in physical activity
High energy intake
Low energy output

12. How to reduce obesity Low fat and low simple sugars diet
Fat highly calorific
Free sugars require no metabolic energy to break down
Increase exercise to increase energy output and preserve lean tissue
Reduces risk of cardiovascular disease, minimises stress, less hypertension, improves HDL

13. What do I know? What diseases is obesity a major risk factor for?
How is obesity characterised?
What is BMI?
How is body fat more accurately measured?
What type of diet is obesity linked to?
How can obesity be reduced?