Answer to Question 1
The outermost layer of the eye is the fibrous layer, composed of the sclera and cornea. The middle layer of the eye is called the vascular layer and includes the iris, pupil, lens, and choroid as well as blood vessels. The innermost layer is the nervous layer, composed of the retina.
Answer to Question 2
D
Explanation: A) The mediastinum is contained within the thoracic cavity.
B) The umbilicus is on the surface of the abdomen.
C) The viscera are the large internal organs within the abdominopelvic cavity.
D) Correct