“Dissections of Squalus acanthias and Rattus norvegicus” Ricardo Marin Biol 1107.103 (Tuesday 4-7) 12/05/2010 Miriam Hernandez Nayeli Perea I. Introduction The purpose of this lab is to be able to trace the flow of blood through both the mammalian and the shark heart. Learn all the major structures of the body systems of the shark and functions of certain structures as well as for the rat. Understand the terms of retroperitoneal‚ ovoviviparous‚ oviparous‚ and viviparous. Know which
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or normal length of the muscle. Cut the tendon below the knot‚ then gently pull the muscle up with the thread and cut it away from the bone. Separate the calf muscles from the bone and cut the tibiofibula bone just below the knee. With minimal dissection the sciatic nerve and gastrocnemius muscle preparation should be completely free. Rinse and then immerse the preparation in ringer solution. Keeping the muscle in the frog allowing the circulation to continue
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“I have found it!” he said‚ waving the twig in triumph. “Oh‚ its perfect. Thank you Bernard. It is so nice to have someone around to help me build this nest.” “Well‚ it’s no problem‚” he said‚ handing her the twig‚ “I think I quite enjoy nest building‚ its rather like a scavenger hunt‚ isn’t?” “Oh quite‚ quite indeed‚” she chirped. “Do you think they will like the nest?” “I would imagine so. I like it. But‚ who are they?” “My chicks‚” she said with pride. “Ah” he replied‚ understanding dawning
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AP Biology Reading Guide Fred and Theresa Holtzclaw Chapter 33: Invertebrates Name _______________________ Period ___________ Chapter 33: Invertebrates Chapters 31‚ 32‚ and 33 should be considered as a single unit‚ and you should try to put all of them together in a single conceptual framework. Due to the scope of our course‚ you are likely to see more general questions on individual phyla. For each of the phyla that we highlight in the questions that follow‚ try to know the characters that are
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Graduation Date : May 2016 SKILLS: Proficient at using AUTOCAD‚ NX 7.5‚ Microsoft Office‚ Excel‚ and Powerpoint 2nd Language : Slight familiarity with Spanish ENGINEERING CLASSES: Engineering Graphics‚ Mechanical Dissection‚ Freshman Engineering Design School Experience: - To understand engineering concepts and apply them to design processes‚ solutions‚ and functions of a variety of Mechanical parts. Tuskegee University‚ Luther Foster Hall School of Engineering
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He then proceeded to dissect the man to find “the cause of so sweet a death”(Richardson‚ 2012). He produced many drawings of the dissection one of which was a drawing of the head‚ neck and shoulder muscles of the man from different angles. [Fig.1] From the neat and methodical appearance of the drawings‚ it is clear that they were not done during the time of dissection but instead created some time after that. (Universal Leonardo‚ 2014). He believed that each limb or bone should be depicted using
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large and flat‚ * Cephalopoda – This includes: nautiloids‚ squids‚ and octopus. * Contain both a head and foot. * The shell is almost completely reduced or absent. * The foot is modified into arms or tentacles. Looking at the dissection pictures‚ one can see that they have a well developed circulatory system to aid them with living in the ocean. Photo below shows cephalopod circulatory system. Image taken from biology.ualberta.ca Moving on to the digestive system‚ one can see
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Biology is the study of life and living organisms‚ from the smallest bacteria to giant sequoias. Biologists use observation and experimentation to gain an understanding about the natural world. Branches of biology include anatomy‚ biotechnology‚ botany‚ cell biology‚ ecology‚ genetics‚ medicine‚ microbiology‚ molecular biology‚ and zoology. Many people entering the field of biology become specialized in a particular area. As a course‚ biology encompasses four main themes: 1. The process
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Frog Skeletal Muscle The aim of this experiment is to explore the basic physiological principles of skeletal muscle using the isolated frog (Rana pipiens or Xenopus laevis) gastrocnemius muscle. Students will dissect a double-pithed frog. Then‚ they will connect the muscle to the Force Transducer to measure twitch recruitment‚ effect of stretch‚ muscle summation‚ muscle tetanus‚ and muscle fatigue. Written by staff of ADInstruments. Experiment Contents 1. Instructor’s Reference (this
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Piranhas and eels have many similarities and differences. They both also have lots of traits and information. They both can have the same attitude. They live in the same area. Piranhas and eels both live in the northeastern part of South America. Also for a difference‚eels live in Greenland through North America. Piranhas on the other hand live in the northeastern part of South America. They both live in rivers and streams in South America
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