2.  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

3.  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.

4. 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.

5.  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

6. 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

7. 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

8.  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

9. 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.

10.  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.

11.  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.

12.  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