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The worms simple circulatory system is sufficent to its demands and has had no need to develop a more complex one.

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17y ago

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Related Questions

How many hearts does the average worm have?

Five hearts


How many hearts does a red worm have?

5


How can a earth worm have hearts?

There are actually 5 hearts in an earthworm. Correction: They technically aren't hearts they are considered aortic arches


How many hearts does the worm have?

5, like all worms.


Do earthworms have 16 hearts?

No!! the earth worm has 5 hearts


How many harts do worms have?

Worms have 5 harts. If you can you can get a worm and get something sharp (like a shovel) you can cut the worm as many times as you can, (like 5) then look at the worm WE have tried this and so I warn you if you don't want to see all of the pieces wiggling don't look). NOTE: DO THIS WITH A LIVE WORM>


Why does the worm have multiple hearts?

Worms have 5 hearts. Worms have an organ that behaves like a heart, an aortic arch, they have five arches.


How many segments does a worm have?

An earthworm, Annelida [= ringed] has up to five pairs of hearts.


Does a segmented worm have ten hearts?

NO


What is a adaptation for the worm?

they have 5 hearts to survive.


How many segments of an earth worm have a heart?

An earthworm, Annelida [= ringed] has up to five pairs of hearts.


Why is the earthworms hearts not considered to be true hearts?

The hearts that worm's have are very different from the heart's that humans have. The worm equivalent of a heart is called the aortic arch and does not contain chambers or valves, and does not get oxygen-rich blood to the lungs. The aortic arches simply pump blood throughout the worm's body.