1. How many types of circulatory system

2. Types of closes circulatory system

3. Close circulatory system is More efficient and complicated as compare of

4. Blood enters into right atrium through

5. Circulation of blood takes place in unicellular organisms through the

6. in close circulatory system blood is enclosed with in

7. In animals transport of gases nutrients is called

8. How respiratory system takes place in fish

9. Which type of circulation in vertebrates

10. Fish is an example of

11. Circulatory system transports through which thing

12. Oxygenated blood is present in

13. Circulatory system transports through which thing

14. The largest artery which supplies blood towards the body is called

15. The heart consists of

16. In Fishes' heart ventricle pumps blood into

17. Pulmonary means circulations in

18. Movement of substances from higher concentration to lower is called

19. systemic means circulation in

20. Which one is example of open circulatory system