Question

What is the circulatory system in mammals?

Answer 1

Circulatory system in mammals:

1. It is the system comprising the heart and blood vessels.
2. It is responsible for the transportation of deoxygenated blood to the heart and oxygenated blood from the heart to the whole body.
3. In mammals, the circulatory is a closed type and blood is transported through blood vessels.
4. The heart in mammals is four-chambered with two auricles and two ventricles.
5. Oxygenated blood from the right ventricle is carried by arteries to the whole body parts.
6. The pulmonary vein carries the oxygenated blood to the right auricle from the lungs.
7. Deoxygenated blood is carried to the left auricles of the heart by veins.
8. The pulmonary artery carries deoxygenated blood from the left ventricles to the lungs for oxygenation.