1)why are the cells of cork impervious to gases and water.
2)how does the human heart helps in circulation of blood .
please help in these two questions. plz
Answers
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2. Human heart by its contraction and relaxation pumps blood through out the body thereby helps in circulation
jora123:
i need answere on the basis of the ch 2 tissues
Answered by
1
human heart has four chambers
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