B7.4 - Diet Exercise And Disease (Finished)

Question 1

What happens in type 2 diabetes?

Answer 1

In te 2 diabetes your body does not make enough insulin to control blood sugar levels or cells stop responding to it.

Question 2

What is obesity caused by?

Answer 2

If you eat more food tan needed, excess is stored as fat. If you regularly eat too much you can become overweight and obese

Question 3

What can obesity lead to?

Answer 3

Obesity can lead to type 2 diabetes, high blood pressure and heart disease

Question 4

Why does doing more exercise reduce risk of obesity?

Answer 4

Food you eat transfers energy to your muscles to do work from respiration. So if you exercise more, more respiration is carried out in the muscles so you use up more food

Question 5

What is the benefit(s) of regular exercise?

Answer 5

• Fitter heart
• Not overweight/obese
• bigger lungs
• less likely to develop cardiovascular disease and suffer type 2 diabetes

Question 6

What are some causal mechanisms for why exercise improves health?

Answer 6

• More muscle tissue increases metabolism decreasing risk of overweight (no diabetes)
• Heart will be fitter and develop a better blood supply
• Lowers blood cholesterol levels reducing risk of fatty deposits building up on coronary arteries reducing risk of heart disease