Final answer:
The circulatory system is responsible for transporting molecules to and from all cells of the body, ensuring the supply of oxygen, nutrients, and hormones while removing waste products. It consists of the heart, blood vessels, and blood.
Step-by-step explanation:
The circulatory system, also known as the cardiovascular system, is the body system that transports molecules to and from all cells of the body. It consists of the heart, blood vessels, and blood. The circulatory system is responsible for supplying oxygen, nutrients, hormones, and removing carbon dioxide and waste products from cells throughout the body. It plays a crucial role in maintaining homeostasis and supporting various bodily functions.