What is an alternative name for the circulatory system?

The circulatory system is often referred to as the vascular system because it is primarily composed of the network of blood vessels, which includes arteries, veins, and capillaries. This network is responsible for the transportation of blood, nutrients, and oxygen throughout the body, playing a crucial role in maintaining homeostasis and overall body function. The term "vascular" specifically relates to the vessels through which blood flows, making it an appropriate alternative name for the circulatory system.

In contrast, the skeletal, respiratory, and digestive systems serve entirely different functions in the body. The skeletal system provides support and structure, the respiratory system is involved in gas exchange, and the digestive system is responsible for breaking down food and absorbing nutrients. Thus, referring to the circulatory system as the vascular system emphasizes the focus on its vessels and their critical role in circulation.