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Nerve Cells: , has many "branches" that can connect to other cells to send signals, can be very long - up to 1 meter (about 3 feet), Skin Cells: , flat and overlapping, an outer layer of protection for the inside of your body, Blood Cells: , flexible to squeeze through skinny blood vessels, large surface area to carry as much oxygen as possible, , have tiny pieces inside (granules) to attack germs, part of your body's defense against sickness, have an irregular shape so they can absorb things that don't belong in your body, Muscle Cells: , can be stretchy like rubber bands to allow you to move in all kinds of ways, , have special parts that attach to other cells so they can communicate, Eye Cells: , The two main types are rod and cones, , have a large "photo-sensitive area" that allows us to see in very dim light, absorbs only certain colors - these cells allow us to see sharp images in color,

Types of Human Body Cells

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