name the cell give colour to body to human
Answers
Answer:
Melanocytes are cells that make eye color.
Written by David H. Nguyen, Ph.D.
The vast majority of the cells in your body are clear, because the molecules they are made of reflect all wavelengths of visible light. However, several types of cells do have color. These include the red blood cells, the cells in the iris of your eye and the cells in your skin. Red blood cells are red because of a molecule called heme, which contains an iron atom. Cells in the eye or skin can have different colors because they contain different amounts of a molecule called melanin. The more melanin in a cell, the darker it will appear.
Colorless but Magnificent
The cells in your body are generally colorless. This is because the molecules that make up the cell, such as proteins and fats, do not absorb any special wavelengths of visible light. What is visible light? Visible light is white light, like from the sun or a white light bulb. Visible light is actually many types of colors, like a rainbow, all in one. When all the colors of the rainbow hit our eye at the same time, we see the color white. The molecules that make up the typical cell in your body do not absorb any particular color of a rainbow, so all colors bounce off the cell and hit your eye at once. The proteins and DNA in your cells absorb light that has a wavelength of 200 to 300 nanometers long, which is shorter than the wavelength of visible light. Thus, a cell looks clear and colorless.
Red Blood Cells
Red blood cells are an exception to the colorless cell rule. Red blood cells flow in your bloodstream, carrying oxygen from the lungs to the rest of the body. They are also the cells that pick up carbon dioxide gas that is produced as waste, and bring it to the lungs to be breathed out. Red blood cells are red because they contain a molecule called heme. Heme contains an iron atom, which helps it hold on to to oxygen gas. Heme gives off a red color when bound to oxygen, and is blue-red when bound to carbon dioxide.
You Have Beautiful Eyes
The iris is the colorful part of the human eye. Human eyes can range from light blue, to green, to hazel, to light brown, to dark brown. Iris cells have color because they contain a molecule called melanin. Iris cells that contain melanin are called melanocytes. These melanocytes store melanin inside them in the form of little packets. The more melanin a cell has inside it, the darker the cell will look. Blue eyes have no melanin. Dark brown eyes have lots of melanin. Multiple genes affect how much melanin a person stores in the iris cells.
Tall, Dark and Handsome
Skin color is another obvious case where cells in a body have a color. Again, different colors are the result of the molecule melanin. Human skin also has melanocytes, the cells that store melanin in little packets. Skin melanocytes produce two types of melanin. Pheomelanin is red-yellow, while eumelanin is black-brown. Everybody has the same number of melanocytes, so the difference in skin color comes from how much melanin is stored. Light skin has little melanin, while dark skin has a lot of melanin. Multiple genes affect how much melanin is stored in skin.
Answer:
Melanocytes is the cell give colour to the human body.
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