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melisa1 [442]
3 years ago
11

Which cells has the largest role and most widespread effect on immunity?

Health
2 answers:
dexar [7]3 years ago
8 0
White blood cells are the main cells that protect the body from infection. This helps your immune system which has to do with our immunity.
bekas [8.4K]3 years ago
4 0

Answer:

Memory B cells...

Explanation:

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Melanin is the dark pigment in the outer layer of skin (epidermis) that gives your skin its normal color. When you're exposed to sunlight, your body protects itself by accelerating the production of melanin. The extra melanin creates the darker color of a tan.

A suntan is your body's way of blocking the sun rays to prevent sunburn and other skin damage. But the protection only goes so far. The amount of melanin you produce is determined genetically. Many people simply don't produce enough melanin to protect the skin well. Eventually, sunlight causes the skin to burn, bringing pain, redness and swelling.

You can get sunburn on cool, hazy or cloudy days. As much as 80 percent of sun rays pass through clouds. Snow, sand, water and other surfaces can reflect sun rays, burning your skin as severely as direct sunlight.

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Serggg [28]

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