Sciences > Disease & Illness The potential of stem cells

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Stem cell research has been a hot topic over the last decade. Most scientist, politicians and average citizens alike, agree that stem cell research is imperative for mankind. However, the issue of where we get these cells from, sparks controversy.There are currently only a few sources of stem cells. Without debating on which ... More..

Sciences > Anatomy How blood flows through the heart

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The heart is an automatic pump that supplies blood to the entire body. Red blood cells in the blood contain oxygen, so the blood is the main transporter of oxygen to every organ, tissue, and even every cell in your body. So, how does this system work?The heart is made up of four main chambers. There are two large chambers on ... More..

Sciences > Anatomy Explaining the All or None law

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All or None. Sounds like the way I look at a pint of icecream in the fridge.However, All or none is a physiological concept of how nerves generate electricity. When you decide to do any movement, say move your finger, an action potential (electrical impulse) starts in your brain's motor center and sends this electrical signal... More..

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1. Explaining the All or None law
2. The potential of stem cells
3. How blood flows through the heart

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