Wednesday, 12 May 2010

5.2 Relationship between diet, blood pressure, blood cholesterol and circulatory disease.

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Our Diet is very important for our body systems and organs. The wrong kind of diet can cause many complications deep within the body that we...
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1.2 Effective Gaseous exchange

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Gaseous exchange occurs within the Alveoli in the lungs and the capillary walls. Gaseous exchange means the diffusion of oxygen, carbon diox...

Smoking Cessation - WHAT SMOKING DOES TO YOUR BODY

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Here are the facts on smoking and the effects that it has on the body. Smoking Cessation - WHAT SMOKING DOES TO YOUR BODY The nervous system...

The relationship between smoking and Coronary Heart Disease (CHD)and lung cancer

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Smoking is one of the factors that can trigger Coronary Heart Disease (CHD). The nicotine in a cigarette can raise blood pressure. It does t...
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Sunday, 9 May 2010

5.1 Describe the changes in artery structure associated with circulatory disease.

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Heart disease is mainly caused by choice of lifestyle. The main offenders of this is smoking and diet. When arteries become clogged this mea...
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Redistribution of blood

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When exercising the circulatory system adapts, this is because the need for more oxygen entering the muscles is important. The majority of b...
Saturday, 8 May 2010

The role of the nervous system in generating normal breathing rhythm

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The heart is able to contract on its own accord but it will be unable to keep a constant rhythm of beating. This is where the Nervous system...