That everything is as it should be, there is no disease or malformation.
veins and blood vessels
The battle for 'hearts and mind' means use of medical and food aid to gain the trust and support of locals in pursuing your own interests just as the case of Viet Cong and the North Vietnamese Army in the Vietnam War.
They have 5 hearts. =)
Pig hearts are similar to human hearts in both their size, structure and function. Due to this (and their plentiful nature) pig hearts are often used for medical research purposes and academic study.
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it is ...
Earthworms have five main blood vessels within their bodies. These vessels function in a similar function as would hearts in other animals.
veins and blood vessels
Roundworms do not have hearts, skeletons, nor blood vessels. Roundworms belong to the phylum Nematoda. This group contains different types of animals like the hookworm and pinworm.
All of them. Without the heart, they would all die!
Because its blood moves through vessels, or tubes in the body. In the head of the worm two large vessels meet and form five pairs of hearts which pumps blood through the vessels.
They have hearts with blood vessels that pump the blood to the rest of their body
Go and see a qualified medical practitioner (a Doctor) about the problem.
It is called collateral circulation.
Mainly medical aid, food, and shelter.
abdomen, blood vessels, breathing, ventricles (left and right), atrium (left and right) and pulmonary valve, lungs
Centipedes have multiple hearts, typically possessing between 10 to 15 pairs of hearts, depending on the species. These hearts are more accurately described as a series of contractile vessels that help pump hemolymph (the equivalent of blood in invertebrates) throughout their bodies. This circulatory system allows them to effectively transport nutrients and oxygen to their tissues.