It is all very well having muscles all over our body to produce strength for movement, but without a means to apply the strength of our muscles to our skeletons, muscles would just be useless excess weight. The muscles are…
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Spinal cord connects body and the brain. It is the main super highway that transmits nerve impulses. It takes sensory impulses from the sense organs, into the brain and takes the commands, from the brain into the muscles. Thirty one…
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The heart is arguably the most important organ in a person’s body. Indeed, it is the first organ to start working – the human heart starts beating 21 days after conception. Without the heart transporting blood around the body, tissues…
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The cytoplasm is the cytosol of the human cell – the cell substance in the interior of the cell. Humans are eukaryotes, meaning that their cells have an outer plasma membrane and organelles and nucleus inside. The cytoplasm is sometimes…
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High blood pressure or hypertension can put you at a higher risk of a variety of serious conditions such as strokes and heart disease. It is important to keep this under control, and you can help do this by being…
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Ligaments are one of those problematic body parts that people often confuse for something else, such as tendons. This may be because both ligaments and tendons are connective tissues, but whereas tendons connect muscles to bone, ligaments are what join…
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The circulatory system is responsible for the distribution of blood throughout the body. The system mainly consists of the vessels responsible for this flow and the heart, but when looking at the function of the system, other parts can be…
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Immunity is a term we used to describe the body’s ability to fight against invading organisms as well as for reactions within the body itself. Vaccination programmes world wide are implemented in hope of developing the immune system or making…
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Neuron is the fundamental building block of the nervous system. It is a cell capable of communicating with other neurons and various other compatible cells in the human body. Unlike most of the other cells it can generate an action…
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Hormones are remarkable biological chemicals which can act as messengers to get the target tissue to react in a specific way. A very small amount of a hormone can initiate changes in tissue and they are found in all biological…
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