The human circulatory system, also known as the cardiovascular system, includes the heart, blood vessels and the lungs, according to LiveScience. The circulatory system transports nutrients, oxygen, hormones and other su... More »

www.reference.com Science Human Anatomy Blood

The human organ system is comprised of several different systems such as the circulatory, cardiovascular and lymphatic systems. There are also the digestive, endocrine and integumentary systems, notes About.com. More »

www.reference.com Science Human Anatomy Organs

One fun fact about the excretory system is that the kidneys receive signals to produce less urine in an effort to preserve hydration when the temperature is hot or there isn't much drinking water available, according to ... More »

All of the blue-colored blood vessels on a blood flow diagram show passages carrying deoxygenated blood from the heart to the lungs, while all of the red-colored passages show oxygenated blood being circulated throughout... More »

The basic circulatory system of vertebrate animals, which are those with a backbone, consists of a heart, the blood and the arteries and system of blood vessels. The heart pumps the blood first to the arteries and then t... More »

The heart and the lungs are the primary organs of the circulatory system. The lungs are responsible for adding oxygen to blood. This oxygen-rich blood is then pumped to the heart, which then circulates it through the art... More »

The three types of circulation that make-up the circulatory system of the body are systemic circulation, pulmonary circulation and portal circulation, according to the Franklin Institute. The three systems work together ... More »