AP BIOLOGY

Detailed explanation-1: -Your heart is the only circulatory system organ. Blood goes from the heart to the lungs to get oxygen. The lungs are part of the respiratory system. Your heart then pumps oxygenated blood through arteries to the rest of the body.

Detailed explanation-2: -The human circulatory system consists of blood, heart, blood vessels, and lymph. The human circulatory system circulates blood through two loops (double circulation) – One for oxygenated blood, another for deoxygenated blood.

Detailed explanation-3: -The circulatory system consists of the heart, lungs and blood vessels. The heart pumps blood throughout the body through the circulatory system.