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Do sponges have a closed circulatory system?

Animal Expert

Posted on 2022-01-06 16:30:01

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Polyferan is an aquatic animal, also known as a sponge. The sponge does not have a true circulation system, but a simple flow of water achieves the goal of exchanging nutrients and gas.



Does the sponge have a true circulatory system?

The sponge has no nervous system, digestive system, or circulatory system. Instead, it most often relies on maintaining a constant stream of water through the body to get food and oxygen and get rid of waste products.

Which animal has a closed circulatory system?

A vast list of animals with closed circulatory system includes: birds, mammals, fish, reptiles, amphibians, some invertebrates, circulatory system Animals Closed-Video & Amp; Lesson Transcript

Which animals do not have a closed circulatory system?

The simplest animals, such as sponges (Porifera) and rotifera (Rotifera), require a circulatory system because diffusion allows for the proper exchange of water, nutrients, waste, and dissolved gas. plug.

Which cardiovascular system is closed?

Humans have a closed circulatory system, but many mollusks and other invertebrates have an open circulatory system. In the closed circulatory system, blood is encapsulated in blood vessels. .. Open and closed circulatory systems Closed circulatory system Examples of open circulatory organisms All vertebrates, including humans Insects, most mollusks, Hydra

Do sponges have a closed circulatory system?

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