What Is an Extracorporeal Membrane Heart Assist Device?
What Is an Extracorporeal Membrane Heart Assist Device? An extracorporeal medical procedure is one which is performed outside the body. An extracorporeal membrane heart...
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Why Does Wood Rot?
Why Does Wood Rot? Wood rots or decays because it is an organic substance – that is to say, it is a living thing – made up of tiny box-like units called...
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How Do Frogs Breathe under Water?
How Do Frogs Breathe under Water? Under water, frogs breathe through their skins. A frog is an amphibian. That is to say it lives both on land and in water. It has...
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How Do Insects Breathe?
How Do Insects Breathe? As insect does not have lungs for breathing air, as people do. Instead, an insect breathes through tiny holes called spiracles which run along...
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Why Is the Flame of Candle Different Colors?
Why Is the Flame of Candle Different Colors? At first glance, a candle flame appears to be one color, a sort of yellow-orange. But if you study the flame closely, you...
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