Dissecting a Frog

Dissecting a Frog Lab Report #3 whitethorn 18, 2011 Purpose: The use of goods and services of the lab was to dissect a toad to better go with the voices of it and their purposes. Materials: dissecting scissors, a frog, a dissecting tray, a scalpel, and a probe mental process: The subr asideine began when the sides of the frogs mouth were cut. Then, the frogs inside and external structures were observed. Observations were recorded. After that, the colorful, gallbladder, eggs, and eke out bodies were removed. Results: First, when the liver was dissected, it was celebrated that the liver was the magnanimousst structure in the body cavity. It had a good-for-nothing-brown coloring to it and was serene of trine parts: the right lobe, the leave anterior lobe, and the go forth posterior lobe. It was not primarily utilise as an harmonium of digestion, but it secreted a digestive enzyme called gall. The bile was utilise to adjourn down fat s. Then, the esophagus, small intestines, spleen, large intestines, mannish reproductive organs, and fat bodies were located and observed. The esophagus was a underpass that led from the frogs mouth to the stomach. This dark-colored structure was used to move solid food toward the stomach by muscular constrictions and the lacing of the cilia that lined its immanent surface. The small intestines were sectioned in three parts.

The first part was the duodenum; the second was the ilium, and the third was the jejunum. These parts were held together by a mesentery tissue and helped to digest materials that passed through it. The dark red, spherical spleen served as a holding f ield of operation for blood. The wider ! large intestines, also known as the cloaca, were where everything such as waste, sperm, or urine passed through before these things left through the anus. The potent reproductive organs, testes, were two beige colored organs on the kidneys. Last but not least, the fat bodies that were interpreted out were bright orange or yellow spaghetti-shaped structures that cover the organs and looked like little...If you want to get a all-embracing essay, battle array it on our website: OrderEssay.net

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