Q4 of 30 Page 71

Which of the following opinion is correct? ( )

Hari said, because of its shape they said to be tube like structures


Xylem vessel and phloem sieve tubes are tube like structures.

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The term cardiac refers to which organ in the body?

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On which side of the human heart is low in oxygen?

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Which structures of the heart control the flow of the blood? ( )

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