1. Which is responsible for the transport of water, nutrients and oxygen to the body cells and carries carbon dioxide and other wastes to excretory organs? *
1 point
A. Circulatory System
B. Digestive System
C. Integumentary System
D. Respiratory System

This is a required question
2. A specialized muscular organ located in the middle of the chest with its apex tilted to the left side *
1 point
A. liver
B. heart
C. lungs
D. stomach
3. What carry the blood away from the heart? *
1 point
A. veins
B. blood vessels
C. arteries
D. tubes
4. What carry the blood back to the heart? *
1 point
A. tubes
B. arteries
C. blood vessels
D. veins
5. These are small tubes that carry blood throughout the body. *
1 point
A. arteries
B. veins
C. tubes
D. blood vessels

please answer my question correct and complete non sence ban​