Which Figure Best Approximates the Number of People in the United

question 107

Multiple Choice

Which figure best approximates the number of people in the United States who are overweight?

• A)50 million
• B)100 million
• C)150 million
• D)200 million

---

Definitions:

Plasma Membrane

The biological membrane that separates the interior of all cells from the outside environment, controlling the movement of substances in and out of cells.

Osmosis

The movement of water molecules through a semi-permeable membrane from a region of lower solute concentration to a region of higher solute concentration.

Lancet

A small, sharp, and typically pointed surgical instrument used for making small incisions or punctures.

Semipermeable

Describes a barrier or membrane that allows certain substances to pass through it while blocking others.