Category: Biology

Biology

Why Bruises Change Color?

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A bruise is caused when tiny blood vessels or capillaries are damaged or broken near the surface of your body without breaking the skin as the result of some kind of trauma to the skin. Broken capillaries leak blood in the surrounding tissues, which causes tenderness and discoloration under your skin. A bruise is also medically referred to as a contusion. As the bruise heals, your body absorbs that leaked blood. That’s why the appearance of a bruise changes. 

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If You’re ‘Skinny Fat,’ You Might Be at Increased Risk of Dementia

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Having sarcopenic obesity implies having a high mass of fat and a combination of low muscle mass and strength. Researchers at Florida Atlantic University’s Comprehensive Center for Brain Health knew that sarcopenia and obesity can harm cognitive function and needed to additionally examine the connection between body mass and composition and the early indications of Alzheimer’s infection.

Do a Person’s Fingerprints Change After Death?

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A research suggest fingerprinting identification become less reliable as the time interval between two sets of prints being taken increases, which recommends that the edges on a man’s fingertips may really change somewhat finished the course of a man’s life. But the body which is well protected still appears to work truly tried and dependable.

What Causes Hallucinations?

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Hallucination is a false experience involving the apparent perception of something not exist and specify abnormality in perception, it seems very real or true but actually, it is created by your mind. This false perception is not considered for by the people’s religious or cultural background. Some people experiencing hallucinations may be aware that the perceptions are false, whereas others may truly believe that what they are seeing, hearing, tasting, feeling, or smelling is real. We know from fMRI (Functional magnetic resonance imaging) studies that these hallucinations activate the same brain areas as sight, areas that are not activated by imagination. Many other hallucinations, including smells, sights, and sounds, also involve the same brain areas as real sensory experiences.

How Do Your Hormones Work?

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Hormones are special chemical messengers in the body which are created in the endocrine glands that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions. The endocrine system relies on interactions between three features to do its job: glands, hormones, and trillions of cell receptors.

Why Do We Sweat?

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Sweating plays an important health role because it helps maintain body temperature by cooling us down. When we’re hot and we sweat, that moisture evaporates and cools us off a bit. sweating, in reality, is the body’s mechanism to cool itself down and regulate its internal temperature.