Melanin is not the agent reponsible for coloring red blood cells.
Melanin gives color to skin, parts of the eye, hair, the inner ear, the brain, and adrenal glands, though.
The substance that makes the blood cells red is iron. It's actually a very pure form of 'rust'. Hemoglobin is also associated with red blood cell color.
Hemoglobin.
Hemoglobin.
Melanin is a pigment produced by cells called melanocytes. This is the pigment which contributes to skin colour. It also provides some protection from UV light.
Keratinocytes or squamous cells produce keratin and Melanocytes produce melanin, pigment.
Melanin
Melanin
Melanin
This is called Melanocytes
Melanocytes are pigment cells that synthesize melanin. These cells inject the melanin pigment in the living keratinocytes cells (skin cells) of the stratum basale layer of the epidermis. Note: The Melanocyte cells also reside in the stratum basale.
You are thinking of Melanocytes. Which contain and create the melanin. The melanin is the pigment which then makes them appear dark.
Melanin in cells give them their pigment and allow them to absorb different waves of light.
Melanin is the source that determines the pigment in your hair. Usually, melanin is a hereditary trait. For example, if both of your parents have darker hair, then you were also probably born with darker hair as well.