CHAPTER 23 Circulation Chapter Objectives Opening Essay Describe the adaptations of giraffes and humans to circulate blood against the pull of gravity. Circulatory Systems 23.1 23.1 23.2 Describe the general functions of a circulatory system. Compare the structures and functions of gastrovascular cavities‚ open circulatory systems‚ and closed circulatory systems. Compare the cardiovascular systems of a fish‚ an amphibian‚ a reptile‚ a bird‚ and a mammal. The Human Cardiovascular System and
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animals it consists of two main parts‚ the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS contains the brain and spinal cord. The PNS consists mainly of nerves‚ which are long fibers that connect the CNS to every other part of the body. The PNS includes motor neurons‚ mediating voluntary movement‚ the autonomic nervous system‚ comprising the sympathetic nervous system and the parasympathetic nervous system and regulating involuntary functions‚ and the enteric nervous
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University Effect of Industrialization Course: BIO 103‚ Spring 2013‚ Section 3 Prepared By Md Abdulla Al Mamun Fahim ID: 102 0366 030 Mahidur Rahman Khan ID: 102 0625 030 Md Nurul Azim Rifat ID: 101 0847 030 Tahsin Shahab Uddin ID: 101 0692 030 Prepared for Dr. S.M. Mostafa Kamal Khan Department of Biology and Microbiology North South University Date of Submission: 20th August‚ 2013 Sl | Topic | Page | 1 | Introduction | 2 | 2 | Description | | | 2.1 Impact on Air | 3 | | 2.2 Impact on
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‘coniferous forest’? Now‚ I am going to talk about the interesting facts about the coniferous forest (also called ’taiga’ or ’boreal forest’). The coniferous forest is mainly in the northern hemisphere‚ and some in the southern hemisphere. It is mostly in North America (US)‚ Canada‚ Europe and Asia. The coniferous forests are usually in cold places. Did you know that the average temperature in the coniferous forest is below freezing? In the coniferous forest‚ winter and summer are the two main seasons
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Marine Biology Why is it so important? Hailey Wymer 10/20/2015 What is marine biology?. Have you ever had a pet fish or have you ever wanted one? Well if so you need to thank a marine biologist for helping us know what types of fishes are out there now and the animals that are out there that we don’t know about yet. The Marine biologists help us know how sea animals and organisms out there interact with one another and what they eat and what is safe to eat. Without marine biology we would
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I study Biology Why and how I study Biology Toshiba 12/3/2010 Toshiba 12/3/2010 Amber Eskridge Here you will discover why and how I study Biology and what it means to me. Amber Eskridge Here you will discover why and how I study Biology and what it means to me. Biology is fascinating in itself. It teaches us all the ways of life not just from a mankind perspective but through all living things‚ whether‚ human species‚ plants etc. I personally study biology because I
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Describe at least two strategies for effective time management To ensure effective time management‚ work spaces should be kept neat and organised‚ if tidy and methodical then time will not be wasted on searching for resources and information You should also take advantage of delegation. Delegation happens when you give one of your staff members a task to complete which‚ currently‚ you undertake. This ensures that managers can get on with more important tasks‚ it will allow subordinates to develop
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range of bacteria‚ fungi‚ insects‚ animals and birds. When deforestation occurs‚ it generally is much harder for the environment to sustain this variety‚ simply because not all organisms can survive in the same habitat or conditions. According to National Geographic‚ as much as 70% of the world’s plants and animals live in forests. Experts from the International Union for the Conservation of Nature and Natural Resources (IUCN)‚ World Wildlife Fund and other environmentalist groups believe that‚ because
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analyze and compare the structure of a range of vertebrate forelimbs. Materials: Pearson Biology Textbook coloured pencils Skeletons‚ photographs of a number of vertebrates copy of student worksheet Method: 1 Examine each of the vertebrate specimens in turn. Using Figure 1 as a guide‚ locate and identify the bones making up the pentadactyl limb structure. 2 Make a labelled sketch in your workbook of the forelimbs of two specimens. 3 Describe the differences you see in the two sketches
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Organism Physiology Paper Deborah Chase Biology 101 Professor Y. Henry March 9‚ 2015 Organism Physiology Paper (Chimpanzees) Chimpanzees are hominid species of apes native to Africa and the closest related to humans which they share 95-98% of human DNA. Earlier research reports that the oldest known primates are about 65 million years old with the chimpanzees emerging about 20 million years ago. It is thought that the chimpanzee’s level of intelligence has allowed it to survive
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