What is the primary function of the circulatory system?

The primary function of the circulatory system is to transport blood, nutrients, gases, and waste products throughout the body. This system plays a critical role in maintaining homeostasis by ensuring that oxygen is delivered to cells while carbon dioxide and other metabolic wastes are removed. Nutrients absorbed from the digestive system are transported to various tissues, facilitating cellular processes and energy production. Additionally, the circulatory system helps regulate pH levels and distributes hormones, which are essential for various physiological functions. Understanding this role highlights the integrative nature of body systems, emphasizing that the circulatory system is vital for overall health and functioning.