What Is the Average Life Span of a Red Blood

question 27

Multiple Choice

What is the average life span of a red blood cell in the human body?​

• A)​120 days
• B)45 days
• C)12 days
• D)2 days
• E)​12 hours

---

Definitions:

Positive Statement

A factual assertion about how the world actually works, which can be tested and validated.

Steel Tariffs

Steel tariffs are taxes imposed on imported steel to protect domestic industries, often leading to increased prices of steel products and affecting international trade relations.

Factor Market

A marketplace where factors of production (such as labor, capital, and land) are bought and sold.

Factor of Production

An input used in the production of goods or services, including labor, capital, land, and entrepreneurship.