Annika Henry-HEED - Annika Henry-Johnson HEED...

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Annika Henry-Johnson HEED 102.002 &102.104 Ms. Baker 10/5/2014 National Museum of Health and Medicine 1. The Normal Brain - This exhibit explained the structure of the brain. The exhibit gave details about what specific arteries the brain controlled directly, as well as the different sections of the brain. In this exhibit, there was a model of the brain connected to a spinal cord. This exhibit defined that the spinal cord is a complex bundle of axons, or nerve fibers, that carry information from the brain to the torso, arms, and legs. It gave details about the cerebellum and its functions as well as its placement in the body. 2. Skeletal Development - This exhibit gave details describing how human bones grow into a skeletal structure. The exhibit noted that human bones first start off as bundles of connective tissue. Later, in a vast majority of cases, but not all, the bundles are replaced by cartilage and then by bone. This process is called ossification and begins during the stages of an embryo and continues into the mid-twenties. This exhibit also gave the major functions of skeletal development which are;
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support, movement, protection, production of blood cells and storage of ions and endocrine regulations. 3. Tissue Preservation Techniques - This exhibit provided information about preserving tissue. In the 1970’s there was a scarce amount of human specimens to test techniques for tissue storage. Dr. Gunther von Hagens created one of the first methods of tissue preservation which was the process of plastination removing water and fats from cells while replacing those liquids with a polymer through a vacuum process. The exhibit informed that there were 2 types of widely used storage techniques and those are cryopreservation and hypothermic storage. These techniques are used within both laboratories and clinical settings. 4. Anthropological Evidence - Forensic anthropologists’ use skeletal reminds and analyze them in order to determine a biological profile for someone who is deceased. This profile includes sex, the age at the time of death, the ancestry of the deceased, pathology and any evidence of trauma. The recovery of this evidence allows Experts to associate an
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