Mouth, esophagus, stomach, small intestine, large intestine.
The human retina is composed of 10 layers. Beginning from back to the front of the retina, the layers include; an epithelium of retinal pigments, a layer of cones and rods, an outer regulating membrane, an outer nuclear layer, an outer plexform layer, an inner nuclear layer, an inner plexform layer, a layer of ganglion cells, a. layer of nerve fibre and an inner regulating membrane.
is considered the founder of the scientific method.
I'd say Solar energy is a source we humans could use in the future
