Humans have two eyes but when people have disorders it may vary.
3
two
Human eyes are.
If by we you mean us humans, then two.
The answer to that is of course! It has already been done! Superman and many other superheros have infrared eyes.
Edward's human eyes are green
Edwards eyes were Green when he was human.
no
Edwards eyes were green when he was a human.
No. Human eyes are used for sight and lungs are used to breathe.
skin, hair, eyes and many facial adaptions
"Do people and animals have the same eyes?" Animals can have the same eyes as a human being. But most of them don't have the eyes of an human being.