Question

Which of the following statements is true about heart? i) It is a hollow muscular organ. ii) It is a four chambered having three atria and one ventricle. iii) It has different chambers to prevent the oxygen - rich blood from mixing with the blood containing carbon dioxide. iv) Arteries always carry blood away from the heart. 
i) and ii)

ii) and iii)

i), ii) and iii)

i), iii) and iv)​ ​

Answer 1

Answer:

i), iii), and iv)

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