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Scene Three
Diet & heart disease

A diet high in saturated fat, salt and sugar and low in complex carbohydrates, fruit and vegetables increases the risk of heart disease.

Eating food high in saturated fat and trans-fatty acids will cause health problems such as obesity, high blood pressure, cholesterol, diabetes and heart disease.

(Libby Welch/Wellcome Images)

A diet high in saturated fat causes cholesterol to build up in the arteries restricting the flow of blood around the body, increasing the risk of a heart attacks, strokes and blood vessel problems.

Over one third of heart disease in men and women can be related to lack of physical activity. The heart needs exercise to keep the body fit so that it can pump blood efficiently around the body.

(Wellcome Images )

An unbalanced diet including too many fizzy drinks, greasy foods, like fries and burgers can lead to an increase in flatulence, indigestion, stomach acid and ulcers.

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eating loudly with lip-smacking pleasure

Digestive Juices
Flatulence and a mixture of gases (nitrogen, carbon dioxide, oxygen, methane, and hydrogen sulfide) leaving the body

Churning Food
Food mixing with gastric acid, churning the food

Gastric Acid
stomach bathing the ingested food in gastric acid.

Belching
Eating unbalanced diet increases the risk of indigestion.
Belching is the noisy release of gas from the stomach to the mouth

Flatulence
Gas leaving the body from food which is difficult to digest.

Stomach Pulp
The break-down of protein into smaller polypeptides and "food" becomes a pasty substance called chyme, after 3 hours of grinding within the stomach.

Restricted blood flow
Cholesterol building up in the arteries restricting the flow of blood around the body

(Wellcome Images )

Curriculum Module
Unit 9B – Fit and healthy

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