Which one of the following statements is correct? |
i. Our heart is enclosed in a tough flexible membrane called pericardium. |
ii. A fluid is found between pericardium and heart which reduces the friction produced during heartbeat. |
iii. Our heart is divided into chambers in order to prevent mixing of oxygenated blood with deoxygenated blood. |
iv. Heart of amphibians is not divided into chambers. |
v. Fish has two chambered heart. |
A) ii, iii, iv and v
B) i, ii, iv and v
C) i, iv, v
D) i, ii, iii and v
E) None of these
Correct Answer: D
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