1. By Celia
Diego
Fuentes

2. HEALTH
AND
ILLNESS
Health is a 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.

3. HEALTHY
HABITS
Sleep 8 or 9 hours
every night
Eat a balanced
diet
Eat five meals
every day
Wash our hands
before meals
Breath fresh air

4. TYPES OF
ILLNESS
Infectious
illness are
caused by
harmful
bacteria or
viruses. They
can be
contagious or
noncontagious

5. BACTERIA
Bacteria are
unicellular
microorganisms.
There are two
types:
Beneficial
bacteria.
Harmful
bacteria.

6. OTHER MICROORGANISMS
Can be
unicellular or
multicellular.
Amoeba
Plasmodia
Candida
Fungi

7. VIRUSES
A virus is not a
micro-organism.
It causes
infectious
illnesses.
It is not a living
thing but it needs
cells to carry out
its life processes.

8. PREVENTING
AND TREATING
INFECTIOUS
ILLNEESSES.
Pathogenic microorganisms can enter
our bodies in different
ways:
The respiratory system.
The digestive system.
Through cuts and
wounds in the skin.

9. HOW CAN
WE PREVENT
INFECTIONS?
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
utensils

10. VACCINES
Vaccines
introduce into our
bodies the microorganisms or virus
that is making us
ill.
The body reacts to
the virus and
produces
substances to
destroy it.

11. HOW DO WE
TREAT
INFECTIONS ?
Infections caused by
bacteria are treated
with antibiotics.
Infections caused by
fungi are treated with
anti-fungal
medicines.
Infections caused by
viruses are only
treated with
medicines that help
to reduce symptoms.