The Thoracic Cavity Is Divided into Right, Left, and Medial

question 12

Multiple Choice

The thoracic cavity is divided into right, left, and medial portions by a region called the

• A)mediastinum.
• B)diaphragm.
• C)serous membrane.
• D)meninges.
• E)peritoneum.

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Definitions:

Nephron

The functional unit of the kidney responsible for filtering blood and producing urine.

Reabsorb

The process by which substances are taken back into the body or tissue after having been secreted or excreted.

Urea

A waste product formed in the liver from the breakdown of proteins and excreted in urine.

Creatinine

A waste product produced by muscles from the breakdown of a compound called creatine, commonly measured to assess kidney function.