Question

Which describes the double-loop system but not the single-loop system?

Answer 1

Answer: a single loop has a pump that forces blood around those in one direction where as, a double loop has a double loop pump circulatory system.

Step-by-step explanation:

Quizlet biology

Answer 2

heart and circulatory system

Step-by-step explanation:

It has 2 routes of circulation, one to the body and one to the lungs