MediHealth

  • Calcium
    Updated: Nov 17, 2009 - 13:09

    Calcium is a substance called a mineral and there is more of it in your body than any other mineral. There is also calcium in some foods, like dairy products, and even in some medicines, like antacids. A small amount (less than 1%) of the calcium in your body is used to help it do a variety o...

  • Calorie
    Updated: Nov 17, 2009 - 13:09

    Calories (Kcal) are measures of energy. Each gram of carbohydrates, protein and fats provides your body with a different amount of energy, and the higher the calories, the more energy you are taking in. To stay healthy, the number of calories you eat must equal the number of calories your body us...

  • Cancer
    Updated: Dec 18, 2009 - 11:50

    Cancer means 'cells behaving badly'. The cells don't grow properly and grow out of control. They go where they are not supposed to, by invading nearby parts of your body. If they get into your bloodstream or lymphatic system, they can also be transported to other areas of your body and grow there...

  • Capillary
    Updated: Nov 17, 2009 - 13:10

    Capillaries are the smallest type of blood vessel. They are very fragile, and so thin that red blood cells can only pass through them in single file. Oxygen and carbon dioxide are exchanged through their walls. ...

  • Carbohydrate
    Updated: Nov 17, 2009 - 13:10

    Carbohydrates are the main type of nutrient that your body uses as a fuel. Sugary foods like fruit juice, fizzy drinks, chocolate and sweets contain lots of small carbohydrates like glucose. Foods like pasta, rice, potatoes and bread contain larger carbohydrates like starch. It's important to con...

  • Carbon dioxide
    Updated: Nov 17, 2009 - 13:10

    Carbon dioxide is a gas that you breathe out in exchange for breathing oxygen in. The chemical symbol of carbon dioxide is CO2. ...

  • Cartilage
    Updated: Nov 17, 2009 - 13:11

    Cartilage is soft, spongy tissue and is made up of chondrocytes. Your bones all start out as cartilage, which turns into hard bone as you grow up. Cartilage also cushions the end of your bones. ...

  • Cataract
    Updated: Nov 17, 2009 - 13:11

    A cataract is a clouding of the lens inside your eye. Normally, the lens helps to focus rays of light when they come into your eye, and it is made of transparent proteins. If these proteins get damaged though, it makes the lens turn cloudy and you can’t see properly because the light can’t reach ...

  • Cell
    Updated: Nov 17, 2009 - 13:11

    At least one cell is found in every single living thing, so cells are often called the building blocks of life. They all work together to build you! Some living things, like most bacteria, have only a single cell, while others have lots of cells. Humans have trillions! Some cells are like the...

  • Cerebellum
    Updated: Nov 17, 2009 - 13:11

    Cerebellum actually means 'little brain'. It sits at the base of your cerebrum next to your brain stem, and is the part of your brain that controls your balance and co-ordination. ...

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