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Please help me with this Class 7​

Please help me with this Class 7​
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18 votes
Please help me with this



Class 7​

Please help me with this Class 7​-example-1
User Thiago Murakami
by
8.7k points

1 Answer

5 votes

Answer:

a . Organ A is heart liquid B is blood

b. red is the colour of liquid B

c. the useful substance is oxygen and nutrients

d. carbon dioxide is the waste E

User Radika
by
7.1k points
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