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23/11/2020 11:15 am
Topic starter
Which of the following statements is not correct?
(a) Deoxygenated blood is poured into right atrium of heart.
(b) The excretory units of flatworms are flame cells.
(c) Human kidney has about 1 million nephridia
(d) Tracheids and vessels are non-living conducting tissues.
1 Answer
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23/11/2020 11:16 am
(c) Human kidney has about 1 million nephridia