The flagella create a current bringing in food and tentacles capture it. The amoebocytes inside are specialized cells that digest food and circulate nutrients. Respiration happens that way too. Food and nutrients are captured by the tentacles which bring them into the mouth of the Cnidaria. After that, the nutritients are spread through the animal through the body cavity.
All waste is disposed through the anus, which is where it came in.
Cnidaria respires using hydrolysis. They would take in dissolved O2 and release CO2 by opening the mouth. Special absorption cells take in nutrients inside the gastrovascular cavity. KW Put only your SSN and lab day and time on the form. Briefly explain 1 feature that distinguishes Cnidaria from Platyhelmenthes.