
For the class of PLTW Biomedical 2015-2016.
Project 5.1.6: Lines of Defense.

Created & published on StoryJumper™ ©2025 StoryJumper, Inc.
All rights reserved. Sources: storyjumper.com/attribution
Preview audio:
storyj.mp/abp2najpbi4

2
It was a cold winter day.
Frank was with his friends.
They were walking and talking.
And then suddenly...
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ACHHHHHHOOOOO!
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Frank was sick.
Frank got the flu.
Frank had to stay in bed all day.
How did Frank get sick?
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Foreign invaders such as bacteria, protozoa, prion, helminth, virus, and fungus attack your body to make you sick.
For example, Frank was attacked by an influenza type B virus.
But don't worry Frank!
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Hello! I'm a mucus who trap bad foreign invaders!
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Frank's body has defenses to fight off foreign invaders.
Frank's body has non-specific defense such as the skin, nose hair, inflammation, and mucus.
For example, the mucus is a viscous fluid that can trap pathogens.
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I engulf and absorb foreign invaders such as bacteria, small cells, and particles.
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In Frank's body, there are also specific defenses such as antibodies, phagocytes, B-cells, and T-cells, which our body produce to fight off foreign invaders.
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For the class of PLTW Biomedical 2015-2016.
Project 5.1.6: Lines of Defense.

Created & published on StoryJumper™ ©2025 StoryJumper, Inc.
All rights reserved. Sources: storyjumper.com/attribution
Preview audio:
storyj.mp/abp2najpbi4

2
It was a cold winter day.
Frank was with his friends.
They were walking and talking.
And then suddenly...
3

4
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"Frank Got The Flu"
Frank gets sick with the flu and learns about his body's immune system and how it fights off foreign invaders.
(23 pages)
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