The human eye looking like a black hole in space
A fat cell looking like Mars
Human hippocampus neurons looking like galaxies in the universe
Eyelash hairs and the surrounding skin
Neurons from stem cells
Red blood cells trapped in a capillary
Tooth enamel formation
Ear wax secretion
Outer hair cells from the organ of Corti in the cochlear of the human inner ear
The base of a finger nail
Collagen bundles in the umbilical cord
Red blood cells, a single white blood cell, and a platelet (green) with fibrin strands
Spores of the fungus that causes athlete’s foot
Intestinal lining
Thyroid gland
Kidney nephron
Bronchiole lining
A stem cell-derived neuron
The dendritic cell, a protective cell of the human immune system
Bacteria Lactobacillus, which are part of the normal flora of the human intestine
Resting T lymphocytes
Kidney tubule cell
Bronchial epithelial culture
#2 There are many spheres in nature. It's the most energy efficient shape in physics.
#3 You should just give up on the whole comparison thing.
They did.
yeah and we're supposed to trust your "science"