Ibn Sina – Islamic medicine
Where ibn Sina came from: Uzbekistan Ibn Sina and the Samanids in Uzbekistan Ibn Sina (known to Europeans as Avicenna) was a scientist. He was born about 980 AD in the north-eastern part of [...]
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07, 2017
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05, 2017
How do animals breathe? Respiration, Evolution, Biology
Fish gills The first cells, which evolved about 3.8 billion years ago, needed carbon dioxide to live and not oxygen. They needed the carbon dioxide to help them break down [...]
27
05, 2017
Lungs project – Using your lungs to float – Biology and Evolution
Caribbean woman swimming with two children: lungs project Your lungs as swim bladders Your own lungs still can act a little like swim bladders. Here's a lungs project: When you [...]
