This image of red blood cells is one of a series appearing in the book: Inside The Body: Fantastic Images from Beneath the Skin
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Here the blood cells are traveling along a vein within the liver. The images are provided by the Science Photo Library
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This bead-like structure with its projecting legs is a nerve cell. It sends signals and commands to and from the brain
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This dirty-looking surface is actually a healthy tooth. The cells in the green layer produce enamel, which protects the tooth
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A cross section of a piece of carpet? This is actually the small intestine where food is digested
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The surface of the tongue is rough due to these paillae, which contain the taste buds and send tactile information to the brain
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The cells lining the stomach secrete a layer of mucus to protect against the acidic gastric juices
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These match-like structures are found in the brain and secrete a substance that cushions the brain and spinal cord against shock
God bless you all
N R