Which system allows for the delivery of nutrients to tissues?

The cardiovascular system is fundamental for the delivery of nutrients to tissues throughout the body. It consists of the heart, blood vessels, and blood, all working together to circulate blood that carries essential nutrients, oxygen, hormones, and waste products to and from cells. When blood is pumped from the heart, it travels through arteries to reach various organs and tissues. As blood flows through capillaries, nutrients like glucose, amino acids, and fatty acids are exchanged with the cells, facilitating their metabolism and function.

While the digestive system plays a crucial role in breaking down food into nutrients and then absorbing them into the bloodstream, it is the cardiovascular system that transports these nutrients to the tissues. The respiratory system is primarily involved in gas exchange, supplying oxygen and removing carbon dioxide, and does not handle nutrient delivery directly. The muscular system, while important for movement and stability, does not have a role in the transportation of nutrients. This highlights the specific and vital function of the cardiovascular system in nutrient delivery.