Langerhans cells are dendritic cells (antigen-presenting immune cells) of the skin, and contain organelles called Birbeck granules. They are present in all layers of the epidermis and are most prominent in the stratum spinosum.
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<h3>Most veins carry deoxygenated blood from tissues back to the heart ; exceptions are thw polmunary and umbilical veins,both of which carry oxygenated blood to the heart. It contrast to veins, arteries carry blood away from the heart. </h3>
Ok, maybe take precaution and take it slow
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am sorry but i don't the language but if you can translate it i think i might be able to help.
