21
Separation of right side and left side of the heart is useful to keep oxygenated and deoxygenated blood from mixing. Various organisms have different types of heart.
(I) Fill in the blanks (i) to (iii) correctly according to the type of organisms and their evolution in terms of blood circulation :
(II) Which type of circulation is most efficient ?
(I) Fill in the blanks (i) to (iii) correctly according to the type of organisms and their evolution in terms of blood circulation :
| Organisms | Number of chambers in heart | Type of blood being circulated | Type of circulation |
|---|---|---|---|
| --- | --- | --- | --- |
| Fish | (i) _____________ | Mixed | Single |
| (ii) _____________ | 3-chambered | Mixed | Incomplete double circulation |
| Birds and Mammals | 4-chambered | Separated circulation path of oxygenated and deoxygenated blood | (iii) _____________ |
Show SolutionHide Solution↓
I. (i) 2-chambered
(ii) Amphibians/Reptiles
(iii) Double circulation
II. Double circulation
(ii) Amphibians/Reptiles
(iii) Double circulation
II. Double circulation