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Sac type digestive system.

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13y ago

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What are five characteristics of cnidarians?

1) cnidarians have bilateral symmetry, 2) there are 2 different forms(dimorphism) , a medusa and a polyp, 3) reproduction is asexual or sexual. 4) they have cnidoblasts, special cells that contain nematocysts, the cells that sting, and 5) they have an internal cavity, and a mouth where food comes in and out. digestion is extracellular.


How many opening do cnidarians have?

Just one, the mouth and anus in one. Food goes in and is taken up by the body, and waste comes out.


Is the small intestine is the last step in digestion.?

False, it is the first step in digestion. ---------------------- No - but the above is not true either, the small intestine comes after the stomach and mouth and digestion starts in the mouth.


How is digestion completed with proteins?

digestive is completed by when it comes down from the entestines


What organ has no function in relation to digestion but when it comes inflamed it has to be removed by operation?

Appendix


After digestion how do animals get nutrients?

animals get nutrients during digestion. the good stuff is absorbed through the digestive tract while the waste comes out of the anus.


What enzyme is responsible for fat digestion?

the lipase enzyme :)


What organ comes after the pancreas in the digestive system?

The small intestine comes after the pancreas in the digestive system. It is where most of the digestion and absorption of nutrients takes place.


Does digestion help grind food into smaller pieces?

Digestion helps the food go through your system. The food then sits at the bottom of your stomach until it comes out as waste.


What is the last stage in Digestion?

The final stage of digestion is when your stomach has digested your food then it comes down to the bottom part of your body and is let out when you do the toilet


What type of animal uses toxins and on nematocysts to capture prey?

Cnidarians, such as jellyfish, sea anemones, and corals, use specialized cells called nematocysts to capture prey. These stinging cells contain toxins that can immobilize or deter their prey, allowing the cnidarians to consume them. When a potential prey comes into contact with the cnidarian, the nematocysts discharge and inject toxins, effectively subduing the target.


How does digestion connect photosynthesis to respiration?

Sorry to disappoint you, but digestion DOES NOT connect photosynthesis to respiration. Photosynthesis and respiration comes from plants and animals, when the animal breathes out CO2, and they receive the oxygen when the plant inhales the CO2 and breathes out oxygen. That's it. And the cycle repeats just like that. NOTHING with digestion. Trust me.