Question

What is the double circulatory system in humans?

Answer 1

Double-circulatory system:

1. In this type of circulatory system, two distinct circuits are found that operate through 4 chambered heart,
2. The heart is four-chambered with two atria and two ventricles.
3. In this circulatory system, the oxygenated and deoxygenated blood are completely separated.
4. It involves two circuits, i.e. systemic circulation and pulmonary circulation.
5. Systemic circulation- this circuit involves, the circulation of blood between the heart and body organs.
6. Pulmonary circulation- this circuit involves, the circulation of deoxygenated blood received from different parts of the body (except the lungs).
7. This type of circulatory system is found in mammals like humans.