Select all that apply humans have eyes composed of three layers: pupil sclera iris choroid retina cornea

Sclera and cornea, iris and choroid and retina.

Explanation:

Human eye is that organ that helps us to see the things that are present around us. The outer layer of the eye is known as fibrous tunic which is made up of cornea and sclera.

The middle layer which is responsible for providing the nourishment to eye is  known as vascular tunic which consists of the iris, chroid and ciliary body.

The inner layer that contains the photo receptors consists of retina.

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.