1. Circulatory system transports through which thing

2. Circulatory system transports through which thing

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

4. Fish is an example of

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

6. Pulmonary means circulations in

7. The heart consists of

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

9. Which one is example of open circulatory system

10. Types of closes circulatory system

11. In animals transport of gases nutrients is called

12. Oxygenated blood is present in

13. How many types of circulatory system

14. Which type of circulation in vertebrates

15. In Fishes' heart ventricle pumps blood into

16. Blood enters into right atrium through

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

18. How respiratory system takes place in fish

19. systemic means circulation in

20. in close circulatory system blood is enclosed with in