The sponge has no nervous system, digestive system, or circulatory system. Instead, most people rely on maintaining a constant flow of water through their bodies to get food and oxygen and get rid of waste products. 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. Water is drawn into the sponge through the inner choanocytes, and the inner choanocytes take up water from the outer pores of the sponge. Click to see the full answer. Sponge has three basic body plans: (1) Asconoid sponge is a small and simple shape with a tubular body. (2) The ciconoid sponge also has a highly folded tubular body in a series of inflowing canals that carry water into a radial canal lined with choanocytes, with much thicker walls.
Does the sponge phylum have a circulatory system?
Sponge phylum. The sponge has no circulatory system. They rely on maintaining a constant stream of water through the body to obtain food and oxygen and remove waste products, and the shape of the body is adapted to maximize the efficiency of the stream. increase. Throughout the body of the sponge, there is a canal through which water flows.
Does the sponge have a nervous system?
The sponge has no nervous system, digestive system, or circulatory system. Instead, most people rely on maintaining a constant flow of water through their bodies to get food and oxygen and get rid of waste products. The sponge has flagellar cells on the surface of the body.
Does the sponge have a heart?
There is no heart, no veins, no arteries, and no blood on the sponge. However, they achieve gas exchange and nutrient consumption through the movement of water. Water is drawn into the sponge through the inside. Choanocytes that take in water from the pores on the outside of the sponge.
Is the sponge body plan simple?
The body plan of the sponge is simple. Unlike many animals, they do not have the nervous system, muscular system, or even the true circulatory system. Sponge body plan. There are several types of sponge body plans, each with a hollow body cavity, or sponge coil (SPUN-geo-seel), through which water and particles circulate.
Why does the sponge have no cardiovascular 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. .. Instead, gas, nutrients and waste are exchanged by diffusion.
Which animal does not have a cardiovascular system?
Animals that do not have a circulatory system or blood in their bodies are jellyfish and flatworms. The body is water-free because they consume oxygen, minerals and nutrients through direct means from water and air. See details on BYJU'S.
Does the sponge have a special cardiovascular system?
The sponge does not have a complex digestive system, respiratory system, circulatory system, reproductive system, or nervous system.
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