Mahsulot tavsifi:

The circulatory system carries blood and dissolved substances to and from different places in the body. The Heart has the job of pumping these things around the body. The Heart pumps blood and substances around the body in tubes called blood vessels. The Heart and blood vessels together make up the Circulatory System. What is the circulatory system? lungs head & arms liver digestive system kidneys legs pulmonary artery aorta pulmonary vein main vein Left Right How does this system work? Circulatory System Our circulatory system is a double circulatory system. This means it has two parts. the right side of the system deals with deoxygenated blood. the left side of the system deals with oxygenated blood. The Heart These are arteries. They carry blood away from the heart. This is a vein. It brings blood from the body, except the lungs. Coronary