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All bird species have different circulatory systems, for the most part the smaller species have an open system, while larger birds have a closed system.

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12y ago
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11y ago

They have a closed circulatory system because they have a heart.

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14y ago

Birds have closed circulatory systems.

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Q: Do birds have open or closed circulatory systems?
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Related questions

Do arthropods have open or closed circulatory system?

open circulatory systems


What type of circulatory system do spiders have?

squids have closed closed circulatory systems


Is the circulatory system open or closed?

Some dont have any at all but most have closed cirrculatory systems.


How are open and closed systems different?

open circulatory systems have sinuses and only have blood vessels


Do rabbits have an open or closed circulatory system?

closed. Open circulatory systems are common in athropods, such as scorpions and insects, but not of mammals. They are when the body lacks blood vessels but has blood throughout the entire cavity of the body. Mammals have closed circulatory systems, as they contain blood vessels.


Does oysters have a closed circulatory system?

No oysters do not have a closed circulatory system. They have something known as a open circulatory system. They are similar to that of fish. They have something similar to that of the gills in fish so that they are able to function in the aquatic environment. The closed circulatory systems, are usually in the terrestrial animals such as mammals, birds etc.


Why is closed circulatory system is more efficient than open circulatory system?

not all open circulatory systems transport oxygen. Insects have no oxygen in their blood


Is your circulatory system open or closed?

A humans circulatory system is closed. Large creatures tend to have a closed system, while smaller creatures like insects and crustaceans have open circulatory systems. Closed is when there are vessels and the blood stays there. Open is when blood floats around the body. Hope it helps:)


What features do open and closed circulatory systems have in common?

In closed circulatory systems, the blood flows from the heart, to the arteries to the capillaries, to the veins and back. In the open circulatory system, the blood flows into the tissues from the arteries but not into capillaries. It does return back to the heart again by veins. But it is open in the sense that the blood it is free in the tissues.


What is the difference between an open open and closed circulatory system?

Closed circulatory systems have blood that does not flow in defined blood vessels. Examples are insects and how their organs are bathed continually in "blood". Open circulatory systems have blood that flows in vessels. Humans have this system as blood flows in veins, arteries and capillaries.


Do amphibians have an open circulatory system or a closed circulatory system?

Amphibians have closed circulatory system Closed


What kind of circulatory systems do echinoderms and arthropods have?

Closed hydrovascular for echinoderms, open haemolymphatic for arthropods. ^^