When you look at your blood with the naked eye all you see is red liquid. This is all anyone sees with the naked eye.
No, the human cannot see ultraviolet rays with the naked eye.
500 meter
the human heart can be seen with the naked eye if chest is open
the Oocyte is the largest human cell and can be seen by the naked eye. more information on the Oocyte: http://en.wikipedia.org/wiki/Oocyte
The term "naked eye" means that there is nothing helping the eye to see. for example, if you are using glassess or a telescpoe, then you are not using the naked eye.
You have a 3rd eye
An Egg A floater that can sometimes be seen in the eye when looking into a blue sky. These were left over blood vessels that were helping to form your eyes before you were born.
Something that is so small that you cannot see it with the naked eye but must use a microscope to observe it
No. You can see leeches with the naked eye. Anything you can see with the naked eye is multicellular.
The three galaxies (other than our galaxie) that the naked eye can see is The Andromeda Galaxie, The Large Magellanic Cloud, and The Magellanic Cloud.
Because the spectrum of the eye cannot see things smaller them a crumb the size of a grain of dirt. so it can't see a germ