UNIT 1

BY MARÍA CABAÑAS

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• Health is the state of physical and mental well-being.• Illness is the opposite of health.• Symptoms like coughs,pain or fever,tell us that our

bodies are ill.

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Do physical activities.

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An illness can be infectious or non-infectious illness:

• Non-infectious illnesses have different causes.

• Infectious illnesses are caused by harmful bacteria or viruses. Can be contagious or non-contagious.

-An illness is contagious when an ill person transmits theillness to a healthy one.

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Bacterial meningitis:

Salmonellosis:

Bronchitis:

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Amoebae

Plasmodia

Candida(yeast)

Fungi

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-Pathogenic micro-organisms can enter in our bodies in different ways:

• Through the respiratory system.

• Through the digestive system.

• Through wounds and cuts.

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Disinfect wounds.

Wash our hands before meals.

Wash uncooked food.

Cover your mouth when you cough or sneeze.

Don´t share eating utensils.

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• Vaccines introduce into our bodies the micro-organism orvirus that is making us ill.

-The body reacts and produces substances to destroy it.

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