Multiple Choice
Which organ system is primarily responsible for transporting blood, nutrients, gases, and wastes throughout the body?
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1. Introduction to Anatomy & Physiology
Introduction to Organ Systems
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Which of the following veins is part of the systemic circuit?
A
Pulmonary vein
B
Hepatic portal vein
C
Superior vena cava
D
Pulmonary artery
Verified step by step guidance1
Step 1: Understand the systemic circuit. The systemic circuit is the part of the circulatory system that carries oxygenated blood from the heart to the body and returns deoxygenated blood back to the heart.
Step 2: Differentiate between the systemic and pulmonary circuits. The pulmonary circuit is responsible for transporting blood between the heart and lungs for oxygenation, while the systemic circuit deals with the rest of the body.
Step 3: Analyze the options provided. Pulmonary vein and pulmonary artery are part of the pulmonary circuit, as they are involved in transporting blood to and from the lungs. Therefore, they are not part of the systemic circuit.
Step 4: Identify veins that are part of the systemic circuit. The hepatic portal vein and superior vena cava are part of the systemic circuit. The hepatic portal vein transports blood from the gastrointestinal tract and spleen to the liver, while the superior vena cava returns deoxygenated blood from the upper body to the heart.
Step 5: Conclude that the correct answers are the hepatic portal vein and superior vena cava, as they are part of the systemic circuit.
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