Aiden has been suffering agonizing pain with each breath and has been informed by the physician that he has pleurisy.a. Specifically, what membranes are involved in this condition?b. What is their usual role in the body?c. Explain why Aiden's condition is so painful.

What type of plane is shown in the image to the right?

You are asked to draw a plane that intersects only one leg. What type of plane could you draw?

Imagine a plane through the leg. If the shape formed where the leg intersects the plane is roughly a circle, what type of plane could make that shape?

 Imagine you are a doctor. You suspect your patient has an enlarged thyroid, so you order the following MRI scan of the neck. The image that was taken represents what type of section?