Human finger, skin, blood, serum and salt crystals.. Human finger 1, magnified 2, epidermis 3, magnified 4, scales 5, magnified skin 6, and human blood 7, serum 8
Common fly, Musca domestica, head, proboscis and cornea.. Common fly, Musca domestica 1, head of fly 2, magnified 3, proboscis 4, 5, cornea 6, magnified 7