Aortic arches are absent in earth worm .
aortic arches is another term for heart, and an earthworm has 5.
The aortic arch arches to the left as it emerges from the heart.
There are 5 aortic arches, they are "hearts". They pump blood around the worm and help digestion.
The function of an earthworm's aortic arches are to pump blood to the ventral blood vessel and into the body.
They are responsible for holding up the aortic feet.
Blood
Is a right sided aortic arch normal?
It has aortic arches which are objects similar to hearts. There are four aortic arches in a single worm.
balls
To observe the aortic arches of an earthworm, you can use a dissecting microscope or a magnifying glass. It's advisable to carefully dissect the earthworm to expose the internal structures, including the aortic arches, for better observation.
it acts as a heart for an earthworm.... <3