What is the primary function of the first capillary bed in the portal circulation?
Understand the Problem
The question is inquiring about the main role of the initial capillary network in the portal circulation system, specifically what it primarily does with nutrients and hormones.
Answer
Drains blood from the gastrointestinal tract for liver processing.
The primary function of the first capillary bed in the portal circulation is to drain blood from the gastrointestinal tract, which then travels to the second capillary bed in the liver for processing before entering systemic circulation.
Answer for screen readers
The primary function of the first capillary bed in the portal circulation is to drain blood from the gastrointestinal tract, which then travels to the second capillary bed in the liver for processing before entering systemic circulation.
More Information
The first capillary bed in the hepatic portal system plays a crucial role by transporting nutrients absorbed from the digestive tract to the liver, where they are metabolized and detoxified before entering the systemic circulation.
Tips
A common mistake is assuming the first capillary bed directly oxygenates blood before it goes to the liver, rather than its actual role in nutrient absorption.
Sources
- Describe what does the Hepatic Portal system consists of, what does ... - Study.com - homework.study.com
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