So how many hearts does a worm have? One of them is for pumping blood through the body while the other two are for pumping blood through the gills! Find it out & know what its anatomy is like. 1 decade ago . Although Earthworms technically don’t have a “heart,” the aortic arch of the earthworm performs a very similar function and It is commonly referred to as one for the sake of simplicity. Would you like to merge this question into it? 6 Answers. already exists as an alternate of this question. Favorite Answer. 1 decade ago. already exists. How many heart does earthworm have???? An earthworm has 10 hearts. How many hearts earthworms have? Ask for details ; Follow Report by Aparnaupadhyay8 16.09.2019 Log in to add a comment *A typical earthworm will have five hearts, which in my opinion is way too many. Would you like to make it the primary and merge this question into it? It’s been a while since I’ve dissected an earthworm — but I believe they have five pairs of aortic arches which serve as rudimentary hearts, pumping blood through the circulatory system. An earthworm has five aortic arches, each functioning similarly to a heart. The aortic arches (hearts) help pump blood around the body of the earthworm in a similar way to animals that have only one multi-chambered heart. To conclude “how many hearts does an earthworm have” we reach the point that it is an integral requirement for the worm to have a large number of hearts to cater the absence of a sophisticated heart like that of mammals. Thus, a heart rate of 66 - in my opinion - is very good. Worm "hearts" don't have chambers. How many hearts does an earthworm have? SAVE CANCEL. Relevance. dlspilot09. Thus, the correct option is B. Thus, a heart rate of 66 - in my opinion - is very good. Earthworm or worm, in short, is a terrestrial creature with multiple hearts. Source(s): BSCS Biology Blue Version 8th Edition 2001. Well, the answer to that question can be a bit tricky, as it depends on how you define “heart.” Depending on the … These arches are present in the anterior region of the body and they connect ventral and dorsal vessels and pump blood throughout the body. Answer Save. How many hearts does a worm have? The normal heart rate for an adult is between 60 and 101. The aortic arches have the purpose of pumping blood through the dorsal and ventral blood vessels. MERGE CANCEL. Earthworm does not have a true heart as it is an invertebrate but refers them as heart because they have five pairs of aortic arches. Login to reply the answers Post; benneralleman. MERGE CANCEL. … An earthworm has 5 hearts, and it has a closed circulatory system, in which blood is confined to vessels. The dorsal blood vessel carries blood to the front of the body, while the ventral vessel carries blood to the back. 0 0 0.

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