Question

5. 3 - 4 5 3 is equal to


(a)

3 4 5 3 5

(b) 3 4 5 3

(c)

3 4

5 3

(d)

3 4

5 3

10​

Answer 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.