Final answer:
The statement is true; the cardiovascular system is a one-way system for transporting blood. However, it is both pulmonary and systemic, not limited to just the lungs. It moves blood, oxygen, nutrients, and wastes throughout the entire body, maintaining homeostasis.
Step-by-step explanation:
The statement that the cardiovascular system transports blood through the body as a one-way system is True. The cardiovascular system, encompassing the heart, blood vessels, and blood, operates with two connected circulations: the pulmonary and systemic. The pulmonary circulation facilitates the exchange of oxygen and carbon dioxide between the blood and the lungs, while the systemic circulation delivers oxygenated blood to the body and returns deoxygenated blood back to the heart.
The notion that the cardiovascular system brings blood to and from the lungs only is False. The cardiovascular system is responsible for moving nutrients, oxygen, hormones, and cellular wastes throughout the entire body, maintaining homeostasis, not just to and from the lungs.
It is essential to understand that the cardiovascular system is not exclusively a one-way system to and from the lungs. It is multi-directional, delivering blood to various parts of the body as demand for oxygen and nutrients vary, such as during exercise or post-meal digestion, where blood flow is reallocated accordingly. This efficient and controlled system ensures that all cells receive the required substances to function properly.