Infectious diseases

How do we get sick?

Answer explanation

How Do You Catch a Cold?

Viruses are released in the air when a sick person sneezes, coughs, or blows their nose.

You can get sick if you touch your nose, eyes, or mouth after you have touched something contaminated by the virus.

What kind of organisms can make us sick?

Are viruses living organisms?

• Yes

• No

• We don´t know yet

• They are considered as a living organism for a part of their life

Answer explanation

Viruses are not made out of cells, they can't keep themselves in a stable state, they don't grow, and they can't make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.

https://www.khanacademy.org/test-prep/mcat/cells/viruses/a/are-viruses-dead-or-alive

Bacteria are bad for humans

• All Bacteria are necessary or useful for human health

• All bacteria produce toxins that can cause diseases

• They can be good or bad.

• Bacteria don´t have any effect on humans

Bacteria are multicellular microscopic organisms.

• True

• False - they are macroscopic.

• False - they are not living.

• False - they are unicellular.

Athlete's foot is cause by...

• Bacteria

• Virus

• Fungus

• Animal

What is a prion?

Can animals cause infectious diseases?

• Yes

• No

• Only microscopic animals

• Only sick animals