Which organ system is responsible for gas exchange?

Which of the following shows the correct order in which light information travels through the eye? (2 points) lens, pupil, retina, optic nerve pupil, lens, retina, optic nerve pupil, lens, optic nerve, retina lens, pupil, optic nerve, retina

During binary fission, what events must occur before the cell splits into two new cells?

What term describes a doctor who becomes a specialist by meeting standards beyond those of getting a license and passing a test in the specialty area?