How Do Horned Lizards Shoot Blood from Their Eyes?
How Do Horned Lizards Shoot Blood from Their Eyes? Horned toads, also called horned lizards can contract the muscles around their eyes, cutting off blood flow back to...
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When Does Blood Congeal?
When Does Blood Congeal? Blood congeals when a part of the body is wounded. If it failed to congeal the injured person would die from loss of blood. The congealing, or...
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What Makes People Faint?
What Makes People Faint? The most urgent need of the body-more important even than food or drink-is oxygen, which is found in the air we breathe. When we breathe in,...
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What Is Haemophilia and How Does It Affects Clotting?
What Is Haemophilia and How Does It Affects Clotting? Having haemophilia means your blood cannot clot properly. Contrary to popular belief, this doesn’t mean you...
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When Does the Menopause Begin?
When Does the Menopause Begin? The menopause, climacteric or “change of life” may begin for women at any time from the late 30’s to early 50’s, but usually...
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