What components make up the cardiovascular system?

The cardiovascular system is primarily composed of the heart and blood vessels. The heart serves as the central pump of the system, responsible for circulating blood throughout the body. This includes supplying oxygen and nutrients to tissues and removing waste products like carbon dioxide. Blood vessels, which include arteries, veins, and capillaries, form a vast network that transports blood to and from the heart, allowing for essential physiological functions.

Understanding that the heart and blood vessels work together as a unit is crucial for grasping how the cardiovascular system operates. The heart functions to ensure continuous blood flow, while the blood vessels provide the pathway for this circulation. This synergy is vital for maintaining homeostasis and supporting all organ systems in the body.