WebJul 18, 2024 · Fish breathe through gills instead of lungs. Just like all other animals, fish need oxygen to survive. Because they live in water, they have evolved gills which enable them to remove dissolved oxygen from water. … WebPrintouts. Read the definitions, then label the fish diagram below. (Note: not all fish have all of the fins defined below.) anal fin - the fin on the lower side of the body near the tail. caudal fin - the tail fin. dorsal fin - the fin on …
Structure of Gills in Fishes (With Diagram) - Your Article …
WebJan 11, 2024 · Fish have gills instead of lungs, and these are located towards the front of the fish on either side. The fish heart is simple and only has two chambers. Fish also have ears, eyes, nostrils, a ... WebOpen the mouth wider and use a probe to reach back to the gill chamber. Locate the nostrils and label on Figure 1. Locate and note the location of the eyes. Label on Figure 1. Find the bony covering on each side of the fish’s head called the operculum. The opercula cover & protect the gills. Label these on Figure 1. Figure 1 – External ... ireland ndc
(PDF) Histopathology guide for freshwater fish
WebGills are found in mollusks, annelids, and crustaceans. Figure 20.4. This common carp, like many other aquatic organisms, has gills that allow it to obtain oxygen from water. (credit: “Guitardude012″/Wikimedia Commons) The folded surfaces of the gills provide a large surface area to ensure that the fish gets sufficient oxygen. WebThe body of a typical fish comprises the head, trunk and tail. The head bears two eyes, with well developed nictitating membrane, two internal ears, two nostrils which are closed internally (except in lung fishes) and mouth. Behind the head on each side, there are either gill slits or gills meant for respiration. WebGeneral Fish Body Plan. A fish has a stream-lined body with gills and fins. Fish Organ Systems. Fish have a circulatory system with a two-chambered heart. Their digestive system is complete and includes several organs … ireland nba