Experiences in biology

Experiences in biology

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Very often the openings of the ducts of the larger glands can be seen as the pores of the skin. Most of the oil ... Hair cells are produced in the same way that cells of the epidermis are produced. However, the hair cells ... When some insect lands on your body, your hair warns you of its presence. If you could see a ... The closely packed dead cells of fingernails or toenails are almost clear. Their pink color isanbsp;...

Title:Experiences in biology
Author:Penelope Hanchey Bauer
Publisher: - 1985


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