In Capillaries, Oxygen and Carbon Dioxide Are Exchanged by the Process

question 1

Multiple Choice

In capillaries, oxygen and carbon dioxide are exchanged by the process of:

• A)osmosis
• B)phagocytosis
• C)filtration
• D)diffusion

---

Definitions:

Outdoor Advertising

A form of advertising that reaches consumers while they are outside their homes, through methods such as billboards, transit posters, and digital signage.

Revenue Per Ad Dollar

A metric used to measure the effectiveness of advertising campaigns, indicating how much revenue is generated for every dollar spent on advertising.

Marketing ROI

A measure of the profitability generated by marketing efforts, calculated as the return from a marketing investment divided by the cost of that investment.

Rate of Trial

A metric used to measure the percentage of potential customers who try a product or service for the first time within a specific period.