Which organ allows flatworms to excrete waste materials from their bodies?
There are innumerable flame cells in flatworm's body to perform function of excretion. Flame cells are also called protonephridia.
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Each flame cell draws excretory fluid and the fluid is sent through a network of tubules.
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Flatworms excrete waste through flame cells, located in their protonephridia or primitive excretory organs.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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