Which of the Following Is an Advantage of the Three-Chambered

question 98

Multiple Choice

Which of the following is an advantage of the three-chambered heart over the two-chambered heart?

• A) blood flow is faster when there are two circuits instead of one circuit
• B) blood pressure is independently controlled in each vascular circuit
• C) oxygen-rich and oxygen-poor blood do not mix
• D) capillary beds are possible with a three-chambered heart but not a two-chambered heart
• E) more than one of these is an advantage of the three-chambered heart over the two-chambered heart

---

Definitions:

U.S. Union Membership

The membership affiliation of workers in the United States to labor unions, organizations that represent workers' interests and negotiate collective bargaining agreements.

Import Competition

The competition that domestic firms encounter from the products and services of foreign producers.

Unionization Rates

The proportion of employees in a specific industry or economic sector who belong to trade unions.

African Americans

A racial or ethnic group in the United States with origins in any of the black racial groups of Africa.