Sickness and Disease
Published on Nov 23, 2015
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Sickness and Disease
Health problems that can affect us throughout life
Germs
are tiny microorganisms that exist all around us.
They can live in dirt or water, on our skin, on door handles, on keyboards, and many other places.
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Some germs are good...
...like the 100 trillion 'good' germs in our gut that aid in digestion.
Pathogens are germs that cause us to get sick.
Bacteria
are tiny one-celled creatures that get nutrients from their environment to live.
Infections caused by bacteria include:
- strep throat
- ear infection
- cavities
- pneumonia
Viruses
need to live inside a host to grow and reproduce.
The common cold, chicken pox, measles, and influenza are viral infections.
Fungi
get their nutrients from plants, animals, or people.
Athlete's foot
is a fungal infection
Protozoa
love moisture and often spread disease through water
Some protozoa cause intestinal infections that lead to diarrhea, nausea, and belly pain.
Steering clear of things that spread germs is the best way to protect yourself from getting sick.
Hand-washing: the right way
- Wet your hands with warm water
- Apply soap
- Lather and scrub for 20 seconds (think, "Row-row-row your boat")
- Rinse
- Dry
Photo by Arlington County
Cover your cough (and sneeze!)
Get routine immunizations
These help keep your immune system strong and prepared to battle germs
Keep your immune system healthy:
Incredible Immune System
Watch this BrainPop clip for a closer look at how your body is protected:
