Here are some images that can never be seen by the naked eye,
Cross-section of a human testis tubule filled with sperm:
A Sperm travelling inside the Fallopian tube:
Sperms trying to enter the Ovum: only one will win
Ovum travelling through the Fallopian tube: It travels until it gets planted itself in the uterus
Human Embryo: This 6 day old human embryo is beginning to implant into the endometrium, the lining of the uterus
Brain: Brain starting to develop in the human Embryo
5 weeks: face with holes for eyes, nostrils and mouth
Tongue with Taste bud: The human tongue has about 10,000 taste buds
Red Blood Cells:
Blood Clot: Trapping the RBC’s to stop bleeding. The white one in the middle is a WBC
Rods and cones: are clearly visible. Rods are photoreceptors, help in adaptation of light and Cones help in perceiving colors
SEM image of eyebrows:
