Author Question: Which structure has four layers: epithelial cells, substantia propria, elastic lamina, and ... (Read 27 times)

gonzo233

  • Hero Member
  • *****
  • Posts: 557
Which structure has four layers: epithelial cells, substantia propria, elastic lamina, and endothelial cells?
 a. cornea
  b. crystalline lens
  c. macula
  d. retina

Question 2

What structure is avascular, external, and its function is to refract light rays?
 a. iris
  b. sclera
  c. retina
  d. cornea



frankwu0507

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

a

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

For a complete list of videos, visit our video library