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What is the path of transportation of water in sponges?
(a)Spongocoel ----> Osculum ----> Ostia
(b)Ostia----> Spongocoel---> Osculum
(c)Ostia----> Osculum---> Spongocoel
(d)Osculum---->Ostia --->Spongocoel

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Important Questions on Transportation in Animals and Plants
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Complete the flow chart given below.

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Which words do not go in this list? (There may be more than one word!)
circulatory system: vein, ear, artery, blood vessel, heart, rib

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Which part of the heart receives blood from the lungs?

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