Question

What is double circulation?
Benefits of four chambered heart?​

Answer 1

Answer:

The human circulatory system is a double circulatory system. It has two separate circuits and blood passes through the heart twice: the pulmonary circuit is between the heart and lungs. the systemic circuit is between the heart and the other organs.

Answer 2

Explanation:

1.The human circulatory system is a double circulatory system. It has two separate circuits and blood passes through the heart twice: the pulmonary circuit is between the heart and lungs. the systemic circuit is between the heart and the other organs.

2.In four chambered heart, left half is completely separated from right half by septa. It serves following two purposes (a) ensures complete segregation of oxygenated and deoxygenated blood (i.e., no mixing). (b) allows a highly efficient supply of oxygenated blood to all parts of the body