The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body. Water ...

The five vital organs in the human body are the brain, heart, lungs, kidneys, and liver. Other organs include the gallbladder, pancreas, and stomach. Organ systems, such as the nervous system, support ...

The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood ...