A Portal System

question 22

Multiple Choice

A portal system

• A) includes a functional end artery that makes an arterial anastomosis.
• B) is a simple circulatory system with an arteriovenous anastomosis.
• C) is one in which blood flows through two capillary beds before being sent back to the heart.
• D) is one in which circulation to a large organ involves only one artery and one main (portal) vein.
• E) is one in which multiple arteries converge on one organ or body region.

---

Definitions:

Policy Advocate

An individual or group that actively supports and promotes specific policies or legislation to influence public opinion or decision-making.

Political Campaign

An organized effort aimed at influencing the decision-making process within a specific group, often related to elections.

Grassroots Support

The backing of a cause, campaign, or movement by ordinary people rather than political parties, companies, or celebrities.

Incumbent

The current holder of a political office or position, often referenced in the context of elections.