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Your Immune System

28 minutes 21 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

People sitting in a cafeteria eating. Sign on the wall says, "Fire Safety" Caption: It helps you live a normal life without having to worry

The body's best offense against microorganisms is its immune system. But what is it and how does it work? Why does it sometimes work against us? Discusses the non-specific (skin, tears, saliva, mucus, stomach acid) and specific (lymphatic system, spleen, thymus, bone marrow) defenses that keeps us healthy. Describes some autoimmune diseases and various marrow-produced cells.

Media Details

Runtime: 28 minutes 21 seconds

Topic: Health and Safety, Science
Subtopic: Cells, Diseases and Conditions, Immune System, Physiology
Grade/Interest Level: 10 - 12
Standards:

Release Year: 2002
Producer/Distributor: Films For The Humanities & Sciences
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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.

Computer rendering of red and green blobs, representing proteins, attached to a lipid bilayer. Caption. This protein, a G-protein, directs the production.

Person sitting in front of a bookcase with books on various scientific subject. Caption: Microbes come in a huge variety of shapes--

One central atom with two smaller atoms each attached to an electron on the outer ring of the central atom. Caption: covalently bonded to one oxygen atom,

Metaphase. Diagram of two structures on opposite sides of a cell. Each structure has one blue chromosome and one red chromosome. Caption: of the chromatids, the chromosomes now line up

Double helix strand of DNA with protein pairs on each step. For example, AT and CG. For each pair, one letter is smaller than the other. Caption: one large, and one small--

A person speaking. Illustration of a lion and a flying insect. Natural Selection. Caption: says that those individuals with beneficial traits,

Diagram showing two pairs of dogs resulting in two dogs, each with shorter legs. Caption: so dogs with shorter legs were selected and bred.:

Woman faces camera in a newsroom setting. Behind her, a screen reads, "Over 10 Different Diseases". Caption. It's over 100 different diseases.

Bright green leaf and stem of a plant. Caption: During photosynthesis, energy from the sun,