Health is a state of physical and mental

well-being when we are healthy we fell well.

Illness is the opposite of health, we feel

tired when we are ill

Symptoms like coughs , pain or fever, tell us

that ours bodies are ill

To stay well, we must have healthy habits:

Sleep nine or ten hours ,have a balance diet,eat five meals a day, wash our hands before our meals, breathe fresh air.

It is important to be hygienic :

Disinfect wounds .

Wash your hands before eating or

handling food.

Wash uncooked food .

Cover your mouth when you cough or

sneeze.

Do not share eating utensil.

Non-infectious illness like a broken arm

Infectious illnesses are caused by

harmful bacteria or viruses. They can be

contagious or non-contagious

Contagious is when an ill person can

trasmit the illness to a healthy person like

flu

Non-contagious like salmonellosis

Bacteria are unicelular micro-organisms

There are two types of bacteria:

Beneficial bacteria , like one used in making yogurt

Harmfull bacteria that can cause illnesses.

These bacteria are called pathogenic bacteria

A virus is not a micro-organism. It causes

infectious illnesses.

Is not a living thing but it needs cells to carry

out live processes.

Viruses cause many illnesses such as flu,

measles, herpes and AIDS

Amoebae : unicellular micro-organisms

Illness caused: intestinal illness symptoms:diarrhoea and fever

Plasmodia unicellular micro-organism

Illness caused:malaria symptoms:dry skin

Candida(yeast): unicellular micro-organism

Illness caused:demages the skin

Symptoms: eczema

Fungi: multicellular micro-organism

Illness caused: athete´s foot

Symptoms: dry skin

Pathogenics micro-organisms can enter

into our bodies in differents ways:

Through the respiratory system, when

we´re cough

Through the digestive system when we

eat contaminated food.

Through wounds and cuts in the skin.

Vaccines can prevent some illnesses

caused by viruses or bacteria.

Vaccines introduce into our bodies the

micro-organism or virus that is making us

ill.

The body reacts to the virus and

produces substances to destroy it.

If the micro-organism or virus returns , our

body will recognise it and fight against it.

When viruses or micro-organisms enter our bodies and couse an infecction, doctors prescrcribe different treatments:

Infections caused by bacteria are treated whith antibiotics

Infections caused by fungi are treated with anti-fungal medicines.

Infections causes by viruses are only treated with medicines that help to reduce symptoms. Doctors can also prevent these infections with vaccines.

It is important to have a first aid kit at home

To treat minor injuries .

It should include the following items:

Thermometer, sterile gauze, bandages, cloth adhesive tape, disposable gloves, antiseptic, cotton wool, creams for insect bites and burns, tweezers, round tip scissors, alcohol, plasters, hydrogen peroxide.