Question

2. Blood moves through tubes called
3. Two useful things that are circul​

Answer 1

1. Blood is carried through the body in blood vessels, or tubes, called arteries and veins. The process of moving blood through the body is called circulation. Together, the heart and vessels make up the cardiovascular system.
2. two useful thing that are circulatory in all animals are blood and hormone.

Answer 2

Answer:

2. Blood Vessels

3. CD , Bike Wheel