When evolution skeptics want to attack Darwin's theory, they often point to the human eye. How could something so complex, they argue, have developed through random mutations and natural selection ...

The largest muscle in the human body is the Gluteus Maximus ... Other strong muscles include the tongue, heart, uterine muscles, external eye muscles, and Soleus (a muscle found just below ...

Inside the human eye, the retina is made up of several types of cells, including the light-sensing photoreceptors that initiate the cascade of events that lead to vision.