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2.Human Reproduction
normal
In a simplest type of placenta the foetal blood is separated from the maternal blood by six barriers. How many barriers are lost in human placenta
A
One
B
Two
C
Three
D
Four
Solution
(c)Uterine epithelium, uterine connective tissue and endothelium of maternal blood vessells are absent in haemochorial placenta found in human being.
Standard 12
Biology
