B. Internal: The dissectors: o used hands to turn frog ventral side up‚ head anterior‚ hind limbs posterior o used forceps to lift fold of skin directly anterior to hind limbs o used scissors to make small superficial cut o inserted scissors into cut and continued superficially anterior medial through mandible o used scissors to make 2 lateral superficial cuts just anterior to hind limbs on either side of medial cut and stopped before reaching dorsal surface o
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Background: As members of the class Amphibia‚ frogs may live some of their adult lives on land‚ but they must return to water to reproduce. Eggs are laid and fertilized in water. On the outside of the frog’s head are two external nares‚ or nostrils; two tympani‚ or eardrums; and two eyes‚ each of which has three lids. The third lid‚ called the nictitating membrane‚ is transparent. Inside the mouth are two internal nares‚ or openings into the nostrils; two vomerine teeth in the middle of the roof
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Bio 112L Lab Report Bones and the Digestive‚ Respiratory‚ Circulatory‚ and Nervous Systems Introduction: Bones are what our skeletal systems are made up of. There are 206 bones in the human body of the adult skeleton. The adult skeleton is broken up in two divisions: the axial skeleton‚ and the appendicular skeleton. The axil skeleton is made up of 80 bones‚ and the appendicular skeleton is made up of 126 bones. As for the different systems of the body‚ we dissected a fetal pig in groups
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Description and behaviour A pig has a snout for a nose‚ small eyes‚ and a small‚ curly tail. It has a thick body and short legs. There are four toes on each foot‚ with the longer‚ middle toes used for walking. Pigs are omnivores‚ which means that they consume both plants and animals. Pigs will scavenge and have been known to eat any kind of food‚ including dead insects‚ worms‚ tree bark‚ rotting carcasses‚ excreta (including their own)‚ garbage‚ and other pigs. In the wild‚ they are foraging
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Renaissance‚ scientists and doctors were only exposed to inaccurate anatomical knowledge from centuries ago due to the lack of human dissections. Galen was one of these anatomists from awhile ago‚ more specifically Rome in the first century. His beliefs were worshipped for 14 centuries‚ up until the Renaissance. Before the Renaissance‚ the church didn’t allow human dissections‚ which affected doctor’s abilities to learn about the human body. Animal bodies were their only source of anatomical knowledge
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The skeletal system is made up of cartilage and bone. Both bone and cartilage are connective tissues‚ that is‚ they are composed of cells in a matrix with intracellular fibers. Just imagine connective tissue as a gelatin salad with grapes and coconut. The grapes would represent cells‚ the gelatin the support material for matrix‚ and the pieces of coconut the intracellular fibers. By changing the amounts of each ingredient and adding extra substances‚ we can produce a material that is very hard like
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CHM1032L pre/post lab instructions Preparation is a key to success in this lab. For this reason‚ you are required to thoroughly read through the experiment information presented in the lab manual‚ and complete a pre-lab for each experiment you do. The prelab must be completed prior to the day of the experiment. Each Friday I will ask to see your completed prelab before I allow you to enter the lab. If you have not finished the pre-lab‚ I will not allow you to enter the lab and you will receive
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Lab report is one way we used during of after an experiment in a laboratory to subtly record and discuss the experiment. During a lab‚ we sometimes can observe only the physical part of the experiment‚ or may be some visible chemical changes. These changes indicate that the experiment we do is successful or not. However‚ in order to understand and achieve more from just simply doing the experiment‚ we write lab report to more profoundly understand the internal meanings of the experiment we do‚ and
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Chem 105 Guide to the Formal Laboratory Report The purpose of a formal report is to communicate effectively to another person the goal‚ procedure‚ data analysis method‚ and results of your laboratory work. The report is divided into several well-defined sections. Each section must be present in a complete report. To earn an outcome point for the laboratory report‚ a student must submit a formal lab report that earns a score of at least 90/100. Each error (factual‚ grammatical‚ typographical
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Criteria 6 8 10 Title Your lab report has a Title that is directly related to the lab experiment/ exercise. Your group or class must be able to come up with your own title You must make your own title based on scientific theory Aim You have clearly stated your aim Your aim is relevant and informative You must make your own aim based on scientific theory Background background information relevant to the lab experiment/ exercise You must be able to link your aim to the background The
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