In the Technical Sense, Travel Is

question 18

Multiple Choice

In the technical sense, travel is:

• A) a term that includes all movement of people.
• B) undertaken for financial, military, personal business, or enjoyment purposes.
• C) not distinguishable from tourism.
• D) is mainly just a fun trip.
• E) All of the above.

---

Definitions:

Counterflow

A process or system designed to move in the opposite direction of another flow to increase efficiency or facilitate a specific kind of exchange.

Loop of Henle

A U-shaped tube in the nephron of the kidney which plays a critical role in conserving water and in the concentration of urine.

Proximal Convoluted Tubule

A portion of the nephron in the kidney where a major amount of ion and water reabsorption from the filtrate occurs, playing a key role in the regulation of pH, electrolyte balance, and blood pressure.

Distal Convoluted Tubule

A portion of the nephron in the kidney involved in the selective reabsorption and secretion, playing a key role in regulating the body's salt and water balance.