WebFlatworms have three embryonic tissue layers that give rise to epidermal tissues (from ectoderm), the lining of the digestive system (from endoderm), and other internal tissues … WebAir then travels down the pharynx, through the trachea, and into the lungs. In the lungs, air passes through the branching bronchi, reaching the respiratory bronchioles, which house the first site of gas exchange. The respiratory bronchioles open into the alveolar ducts, alveolar sacs, and alveoli.

What type of digestive system does a flatworm have?

WebFlatworms have three embryonic tissue layers that give rise to epidermal tissues (from ectoderm), the lining of the digestive system (from endoderm), and other internal tissues … WebTheir bodies have 3 layers of tissues with organs and organelles however, they contain no internal cavity. Flatworms possess a ‘blind gut’, they have a mouth but no opening at the lower end of the alimentary canal through … irish bar richboro pa

Phylum Platyhelminthes- Characteristics, Classification and Examples

WebANIMALS DIVERSITY ehb: animals animals can be characterized body plans animal species vary tremendously in morphology, but their great diversity in form can be WebFlatworms and other animals without a coelom are called acoelomates. Flatworms, having three tissue layers, are triploblastic, have spiral cleavage in their eggs, and yet are … Web7 nov. 2024 · All of the remaining flatworms discussed here are part of the Rhabditophora. Many flatworms are parasitic, including important parasites of humans. Flatworms … porsche macan servicing costs