B3 Fighting Disease

B3 Fighting Disease

Keywords:

Pathogen

White blood cell

Phagocytosis

Cilia

Mucus

Hydrochloric acid

Antibodies

Multiple Choice

Which pathogen causes COVID 19 and the flu ?

• Virus

• Bacteria

• Protist

• Fungus

Multiple Choice

Which pathogen causes chlamydia and tonsillitis ?

• Virus

• Bacteria

• Protist

• Fungus

Multiple Choice

Which pathogen causes malaria ?

• Virus

• Bacteria

• Protist

• Fungus

Multiple Choice

Which pathogen causes athletes foot ?

• Virus

• Bacteria

• Protist

• Fungus

Multiple Select

What are the 3 ways pathogens can cause illness?

• Producing Toxins

• Reproducing in high numbers

• Releasing antibiotics

• Giving you a sugar boost

• Causing swelling/ immune response

Multiple Choice

If a pathogen produces a chemical which is poisonous to our cells, what is this called?

• An immune response

• A medicine

• A toxin

• Reproduction

Open Ended

Name one thing that you do each day to stop pathogens getting into your body in the first place?

Multiple Choice

We looked at chemical and physic barrier in plants.

We have hydrochloric acid (HCl) in our stomach that helps break down our food and harmful pathogens!

Do you think HCl is a physical or chemical barrier?

• Physical

• Chemical

Open Ended

Why is our skin described as a physical barrier to pathogens?

Multiple Choice

Mucus in our trachea and bronchi traps small particles including pathogens we might breathe in. Cilia then sweep this mucus away.

Is mucus a physical or chemical barrier?

• Physical

• Chemical

Open Ended

There are some tricky keywords in this topic.

Try and spell the word that means 'when white blood cells engulf and digest pathogens.'

Hint: it starts with a 'ph'

Multiple Choice

True or False

Your body makes an antibody for every different pathogen you've been exposed to.

• True

• False

Multiple Choice

Once our bodies have made an antibody once it is much easier and quicker to attack the next time you come into contact with that pathogen.

Do you think you are more or less likely to feel ill next time this pathogen gets into your body?

• less likely

• more likely

Multiple Choice

On the last slide the phrase 'memory lymphocytes' was mentioned. You don't need to know this at GCSE, click what type of cell you think a 'memory lymphocyte' is.

• Red blood cell

• White blood cell

• Bacteria

• Ciliated cell

Open Ended

Vaccines usually contain a tiny, harmless piece of a pathogen.

Why do you think we put these into our bodies?

Open Ended

And finally!

Write down the thing you found the most interesting today?

OR

One thing you have learnt (this could be a keyword and its definition)