What Is a Major Function of the Respiratory System

question 82

Multiple Choice

What is a major function of the respiratory system?

• A) digest food and absorb nutrients into the blood
• B) deliver oxygen to the blood and remove carbon dioxide from the body
• C) return excess tissue fluid to the cardiovascular system
• D) produce vitamin D and retain water

---

Definitions:

Returns To Scale

The rate at which output changes if the scale of all inputs is changed by the same proportion in the production process.

Input

Resources used in the production process to generate goods or services, including labor, raw materials, and capital.

Output

The total amount of goods or services produced by a company, sector, or economy within a specific time period.

Isoquants

Curves that represent all the combinations of two inputs that produce the same level of output, used in the analysis of production technology.