)Discuss circulatory diseases and the effect of smoking on these systems.

(b) Describe the control systems, covering the following;

Explain how breathing and pulse rates are controlled
Explain how blood is redistributed during exercise
(c) Describe circulatory diseases, covering the following;

Describe the effect of circulatory disease on the circulation system
Describe the relationship between the following and circulatory disease;
Blood Pressure
Blood cholesterol
d) Research the effects of smoking, covering the following;

Analyse the relationship between smoking and coronary heart disease
Analyse the relationship between smoking and lung cancer
Evaluate the effects of smoking on the respiratory and cardiac systems.