Question

flame cells are excretory organs ____ fill in the blank​

Answer 1

Answer:

anus ...... ......

Explanation:

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Answer 2

Answer:

kidney

Explanation:

A flame cell is a specialized excretory cell found in the simplest freshwater invertebrates, including flatworms, rotifers and nemerteans; these are the simplest animals to have a dedicated excretory system. Flame cells function like a kidney, removing waste materials. Bundles of flame cells are called protonephridia