Cardiovascular system

Cardiovascular System The cardiovascular system is a vital network of organs and blood vessels responsible for transporting blood throughout the body· This intricate system plays a crucial role in delivering oxygen, nutrients, and hormones to tissues while simultaneously removing waste products such as carbon dioxide· It is essential for maintaining the body's overall health and ensuring that each organ receives the resources it needs to function correctly· One of the primary functions of the cardiovascular system is the transportation of oxygen and nutrients (Lichtenstein et al., 2021)· Oxygen, carried by red blood cells, is delivered to tissues to support cellular respiration, which provides energy for the body to perform its daily activities· Additionally, the system transports nutrients absorbed from food to cells, enabling growth, repair, and other vital processes· This efficient delivery system ensures that the body meets its energy and functional requirements· Beyond transportation, the cardiovascular system also plays a key role in maintaining homeostasis, or the body's internal balance (Becheva et al., 2023). For example, it helps regulate body temperature by adjusting blood flow. When the body overheats, blood vessels near the skin expand to release heat, while in colder conditions, they constrict to conserve warmth. This ability to adapt to environmental changes highlights the system's importance in maintaining a stable internal environment. Despite its importance, the cardiovascular system is vulnerable to various health issues· Cardiovascular diseases (CVDs) are a group of disorders that affect the heart and blood vessels (Becheva et al., 2023)· These conditions are a leading cause of death globally, and one of the most common risk factors is high blood pressure, also known as Hypertension · Hypertension occurs when the force of blood against the walls of arteries is consistently too high· Over time, this can damage blood vessels and organs, increasing the risk of severe complications such as heart attacks and strokes (Joseph et al., 2025)· Symptoms of Hypertension may include headaches and nosebleeds, but it can also go unnoticed until significant damage occurs· Another serious condition affecting the cardiovascular syste...