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aortic arches is another term for heart, and an earthworm has 5.
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∙ 16y ago
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How many hearts does an earthworm have?
An earthworm does not have any heart at all. But they do have an organ that acts similar to a heart and is usually called aortic arc.
What is the function of the Aortic Arches?
the aortic arches carry blood from the dorsal blood vessel to the ventral blood vessel
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 are there in an earthworm?
5
Why does the earthworm belong to the phylum anneldia?
The annelids are segmented worms. Although some annelids have appendages and primitive sight organs (photo-reactive pigment spots), earthworms do not. Earthworms do, however, have the typical annelid neural ganglia, and the annelid circulatory system, including the aortic arches that function as the worm's heart. And, of course, earthworms are segmented.
How do the aortic arches do in an earthworm?
Aortic arches are absent in earth worm .
Where is the aortic arches or heart on the earthworm?
Blood
In an earthworm what is the function of the aortic arches?
it acts as a heart for an earthworm.... <3
What is function of aortic arches of earthworms?
The function of an earthworm's aortic arches are to pump blood to the ventral blood vessel and into the body.
What should one use to observe the aortic arches of an earthworm?
a dissecting microscope
How are nutrients transported from the blood of an earthworm to the muscle cells of its body wall?
through aortic arches that function as many small hearts
What is an earthworms aortic arches?
the aortic arches are the earthworms pumping organs. Basically like a heart for them. For example us humans have a heart and arteries to help pump blood in and out of our body. The earthworm has 5 aortic arches located all around its body to help circulate blood around the body
Characteristics of the worms heart?
The earthworm doesn't really have a heart. Instead, it has highly muscular blood vessels called the aortic arches that pump their blood.
What does the aortic arches in worms?
There are 5 aortic arches, they are "hearts". They pump blood around the worm and help digestion.
Function of the aortic arches?
They are responsible for holding up the aortic feet.
Circulation in the earthworm is accomplished through?
The blood circulatory system of the earthworm consists of five main blood vessels; it has aortic arches instead of a heart. The coelom also circulates food, so it could be considered a digestive system or a circulatory system.
How does the internal structure of the earthworm show segmentation and the development of a specialized head end?
The brain, the beginning of the digestive system, and the five aortic arches are all in the head end. They are visible during a dissection.
