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Anatomy and
Physiology: The Heart's Own Blood

The Heart's Own BloodAnatomy and PhysiologyThe HeartAnatomy of the HeartThe Four ChambersThe Heart's Own BloodECG: Measuring a Beat Why does the heart need its own circuit if blood is already…

Anatomy and
Physiology: Thyroid

ThyroidAnatomy and PhysiologyHormonesFeedback: Not Just for GuitarsHow Hormones WorkHypothalamus: The Head HonchoPituitary: The First LieutenantThyroidKidneys: Not Just for Urine!Pancreas and…

Aliza's Time Travel Essay

Aliza imagines life in the year 2108   Related Links How to Write a Five Paragraph Essay Punctuation…

DK Science: Colour

RAINBOWSPLITTING LIGHTSUNSETCOLOUR SPECTRUMSEEING COLOURFIND OUT MOREOn a sunny day, the world seems light and colourful because our eyes are able to see differences in the wavelengths of light…

The Executive Branch

The White House has been the traditional home of the president since 1800.  Slideshow: First Kids Presidents Biographies of the Presidents Salaries of the President, Vice President, and…

Elections

Campaign 2012 2012 Election Wrap Up Milestones of the 2012 General Election 2012 Elections: The Senate 2012 Election: The House of Representatives 2012 Presidential Nominating Convention…

Architect

What is this job like? Architects design houses and buildings. They plan offices and apartments. They design schools, churches, and airport terminals. Their plans involve far more than a building's…

Animal Facts

Homework Center – Frequently Asked Questions Animals Where can I find out all about an animal or insect (e.g. polar bear, dragonfly, kangaroo, blue whale)? What do you call a…