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The Immune System: Barrier to Infection

13 minutes 38 seconds

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Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.

Browse Full-length Non-member Titles

Person with their palms scraped and mildly bloody. Caption: The body acts quickly to stop excessive blood loss.

The immune system has a tough job keeping human bodies free of harmful microbes. Humans come in contact with germs and bacteria every day, and the immune system is challenged to protect the body. Explores how the human body goes to battle against germs in order to keep people healthy and how sometimes the immune system requires assistance.

Media Details

Runtime: 13 minutes 38 seconds

Topic: Science
Subtopic: Biology, Cells, Chemistry
Grade/Interest Level: 4 - 8
Standards:

Release Year: 2005
Producer/Distributor: Science Screen Report
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Lab equipment in background with illustration of DNA strand, question marks, and an arrow pointing to the horn on a unicorn. Caption: We'd want to know what parts of the genome make the horn.

Lab equipment in background with illustration of connected neurons. Caption: glia activate and help fix the neurons

Still image from: 4 Awesome Discoveries You Probably Didn't Hear About This Week (Episode 36)

A caterpillar curled in a circle, mostly encased in a protective covering. Caption: Then the caterpillar goes to sleep.

Green foliage with a pink flower overlooks the shoreline. Spanish captions.

Closeup of a bright orange and blue tropical flower. Spanish captions.

A seal swimming underwater near the ocean floor. Caption: still remain to satisfy diurnal scavengers

A warthog with long tusks curving towards its body and leathery skin covered in mud. Caption: we can see that each has a beauty all its own.

Person driving a large piece of industrial farm equipment. Caption: towards managing agricultural systems

Still image from: All About Insects