In summary, sponges (or sponges) do not have a true circulatory system like most animals. There are no hearts, veins, arteries, and no blood on the sponge. However, they achieve gas exchange and nutrient consumption through the movement of water.
Is there blood in the sponge?
Sponges are very simple creatures, with no blood or organs. They live by absorbing all gases and nutrients from water and returning waste to water by diffusing directly through the cell wall.
What kind of body system does the sponge have?
Since the sponge has no organ system, it has no respiratory or circulatory system. They acquire oxygen by diffusing from the water flowing through their bodies, and waste is expelled by diffusing into the same puddle. 2015
What is the function of the sponge layer?
The spongy layer of leaves stores sugar, amino acids, and gas and does not have as many chloroplasts as the cells of the Palisade layer, which process most of photosynthesis. The spongy layer of leaves also helps the leaves of aquatic plants to float.
What is the function of the circulatory system of the animal's body?
Most animals use the circulatory system to transport blood into the body. Some primitive animals use diffusion to exchange water, nutrients, and gas. However, complex organisms use the circulatory system to carry gas, nutrients, and waste products into the body.
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