Nervous System
Video discusses the nervous system.  It shows what the nervous system is responsible for.  It discusses what the nervous system is made of, how big it is, and what it controls.  It is called the nervous system because it is made of billions of nerve cells.  The brain is divided into the right side and the left side.  It also shows the different parts of the brain.
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The Anatomy of the Central Nervous System
This is an excellent, concise video giving information through simple animation and commentary. A quote from the video: "The nervous system is a complex network of nerve cells and nerve fibers spread throughout the body. Its function is to interpret, store, and respond to information received from inside and outside."
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What is Biology and What is Cell Evolution?
This video gives the definition of Biology. There is reference to the evolution of life. There is an animated introduction to Cells and Molecules. There is an explanation of Cell evolution. There are examples of simple organisms, complex organisms and ecosystems.
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Helper T Cells
Introduction to helper T cells and their role in activating B cells. The instructor uses computer software for demonstration. The screen is dark with small writing, so the viewer may want to open the screen to 'full screen'. The instructor is clear and easy to understand.
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Why Cells Cooperate
How did multicellular organisms evolve? Sophia Tintori and Cassandra Extavour, a developmental biologist at Harvard, talk about the development of multicellular organisms, and in particular the specialization of reproductive cells. Uses clay animation to illustrate ideas.
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Review of B Cells, CD4+ T Cells, and CD8+ T Cells
The instuctor reviews  B cells, CD4+ T cells and CD8+ T cells. The instructor uses computer software for demonstration. The screen is dark with small writing, so the viewer may want to open the screen to 'full screen'. The instructor is clear and easy to understand.
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Plant Cells: In Search of a Root Cell
This cartoon gives a brief overview of plant cells.  The cartoon investigator has an emergency and is looking for root cells to go in search of a new water supply for the plant.  There's not a whole lot of information given but the cartoon is cute and entertaining as it points out the fact that cells are all different and are designed to do different jobs. Run time 01:40.
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HIV Immunity
Excerpted from NOVA: "Surviving AIDS," this video segment showcases the work of Drs. David Ho and Stephen O'Brien. By examining the "outliers" -- in this case, people like Steve Crohn, whose cells repeatedly resisted HIV infection -- Ho and his colleagues found a genetic mutation that prevents the HIV virus from entering the cell. This video segment includes animation of HIV entering a white blood cell through the CD-4 and CCR-5 receptors on the cell's surface. Some individuals have no CCR-5 gen
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The Cell Dance
High quality student made project uses computer animation and music to show a large range of different cell types spanning many different areas of life science; from neurones to neutrophils, liver cells and islets, T cells and skin cells, whole maggots and drosophila embryos.  They all dance to music from The Nutcracker. Run time 02:05.

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Conjugation of -ARE -ERE -IRE verbs in Italian in the present tense
A native Italian uses a white board and the written word to explain the conjugation of the three types of verbs in the Italian language. Although the speaker only uses Italian, he is easy to understand and uses gestures and written examples to help.
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How to conjugate verbs sentire and capire in the present tense
In this video, the verbs sentire and capire are used to show how there are two different types of -IRE verbs in Italian. The speaker uses a white board to illustrate and only speaks Italian. A worksheet with answers is included for practice.
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The Organ of Corti
Situated in the spiral-shaped cochlea of the inner ear is the organ of Corti. Only one inch long if uncoiled, it bears about twenty-five thousand sound receptor cells with hairlike projections arranged in rows on the basilar membrane. Diagrams show detailed structure of the organ of Corti. Grades 5-12. 1 min.
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Smelling and Tasting
If you can't smell, you probably can't taste very well either. They are closely related functions. Receptor cells for taste and smell are located in the mouth and nose, respectively. As the receptor cells are stimulated, they send impulses from these organs to the brain's smelling and tasting centers, the cortices. For taste, impulses stimulated by the chemical compounds in food are sent to the gustatory cortex. For smells impulses stimulated by the chemical compounds in odors are sent to the ol
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Magic School Bus Makes a Stink
Join Ms. Frizzle and the class as they discover the secret to what makes things smell as they hope to win first prize in the First Annual Smell Search contest at school.  This Magic School Bus video teaches the following concepts:  Odor travels through the air to our nose, where special nerve cells sense them and report them to our brain.  Run time 22 minutes.
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Introduction to Angles
Video uses an electronic black board with different colored pens.  Video starts with basics, defines an angle, how to measure angles, different types of angles (right angle, straight angle).  Then video progress to angles in a circle, a circle is 360 degrees and if you have an angle in the circle, you subtract this from the 360 degrees.  Then it discusses a straight angle and if you have two angles on the line they total 180 degrees.  Video al
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Angles
All about angles defined. From the very important rudimentary terms to angle conceptual usage, let's learn together!  Video explains the terms involved in naming, congruent angles, types of angles, and measuring angles. 
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Standardized Testing : How to Prepare for a Test
To prepare for a test, use a variety of studying habits, such as quizzing, memorization and drilling, to help with different types of subject matter. Prepare for any type of test, first finding out what will be covered, with testing advice from a standardized test prep instructor in this video on education.
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Junior Chemistry: Chemical Bonding 1
'Chemguy' teaches electronegativity and polarity with a white board. Explains different types of chemical bonding and is suitable for high school students. Video also shows actual footage of how water is attracted to another substance.
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Literary Elements Rhyme
This short lesson is a quick review of several types of figurative language including hyperbole, alliteration, and personification.  The examples of each are various pop culture references.

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Figures of Speech Song - Tune of Supercalafragilisticexpialidocious
This video is a song about the various types of speech, including definitions and examples.  The lyrics are printed on the screen while the music plays.  However, nobody is actually singing the song on the video.  You will need to determine how the lyrics fit into the tune of the song.  Some of the lyrics include "Personification, metaphor, hyperbole, simile. Figures of speech when you want to see your writing come alive, sing along with me! When you treat an object like a human being it's c
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