Phlebotomy Technician Practice Exam (NCPT/CPT) 2025 - Free Phlebotomy Practice Questions and Study Guide

Question: 1 / 400

What does the heart pump?

Oxygen

Nutrients

Blood

The heart is the main organ responsible for pumping blood throughout the body. Blood carries vital components such as oxygen and nutrients, so options A and B are incorrect as they are components within blood, not something that the heart directly pumps. Option D, water, is not a component of blood and therefore, is also incorrect.

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Water

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