reflexes and how the nervous system arcs and nerve impulses work in order to test out a certain reflex. Hypothesis: The reflex testings’ will show no abnormalities in our nervous system. If we reacted to all the trials then we will not have any abnormalities in our reflexive nervous system. Materials: Lab Partner A rubber hammer (Triangular) A Yard Stick A chart to record your reflexes 1) 2) When the hammer hits the patella the sensory fiber leads into the central nercous system and connects to
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enzymes‚ and a shortage of any of these enzymes will cause a buildup in your system. Most types of Porphyria are inherited and the risks of developing a Porphyria disease and passing it on is pretty much determined by what the specific signs and symptoms are depending on which of your genes is abnormal. Two main types of Porphyria affect two totally different things. One affects the skin‚ and the other affects the nervous system. People with the skin type called‚ Porphyria Cutanea Tarda (PCT) is the
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lifelong process fundamental to physical‚ cognitive‚ and emotional development. Building of the brain The functions of the brain and the reflexes derive from the central nervous system. The central nervous system is located in the brain and the spinal cord‚ which is a bundle of nerves running through the backbone. The nervous cord in spine then branches out into a peripheral network of nerves extending to every part of the body. The brain then sends nerve signals or commands to specific parts of
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Introduction Three sources of sensory information are used by the nervous system in the maintenance of equilibrium. These are the eyes‚ proprioceptive endings throughout the body and the vestibular portion of the internal ear. In the development of the human body functions‚ the vestibular system is one of the first of the sensory integrative systems to be fully functional. The complete integration of the other sensory systems like vision and proprioception are continued throughout childhood
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assumptions do biopsychologists make? Psychologists from the biological approach assume that behaviour and experiences are caused by activity in the nervous system of the body. The things that people think and feel‚ say and do are caused‚ one way or another‚ by electrochemical events occurring within and between the neurones that make up their nervous system‚ particular those in the brain. Many biopsychologists also agree that because the development of the brain is determined (at least partly) by the
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Phylum Porifera  Basic Characteristics No definine symmetry Bodies are multicellular‚ with few tissue and no organs. The cells and tissues surround a water filled space but there is no body cavity. Has no nervous system Has a larval stage. Are all filter feeders. Sponges are among the oldest animals‚ being discovered about 500 million years ago! Phylum Cnidaria JellyFish  Basic Characteristics Live in both fresh water‚ and salt water. Radial Symmetry; typically quadramous
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How neurons communicate Neurons are the specialized cells which make up the body’s nervous system. These nerve cells process and transmit information from one part of the body to another. For example‚ if you were to touch a candle flame for more than an instant‚ pain nerves also known as receptors that are in your finger would send a message up through your hand and arm to the spinal cord and then to the brain. The brain which in turn records pain and sends the messages back down to various parts
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Krabbe disease is a disorder inherited from parents‚ which destroys the myelin coat of nerve cells throughout the nervous system and the process is called demyelination. Demyelination inhibits the transmission of nerve impulses and that hinders the communication of the brain and the body and that results in disability (Mayo Foundation for Medical Education and Research‚ 2016). Dr. Knud. H.Krabbe diagnosed this disorder in 1916 (Arizona Board of Regents‚ 2015). Krabbe disease is a body recessive disorder
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Muscle tissue Muscle tissue has a ability to relax and contrast and so bring about movement and mechanical work in various parts of the body. There are other movements in the body too which are necessary for the survival of the organism such as the heart beat and the movements of the alimentary canal. Muscles can be divided into three main groups according to their structure * Smooth muscle tissue. * Skeletal muscle tissue. * Cardiac (heart) muscle tissue.
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freely. Feather stars have ambulacra systems that extend into the branched arms on the crown. They are most of feather stars are found in shallow‚ warm waters. Scientific classification Kingdom: Animalia Phylum: Echinodermata Subphylum: Crinozoa Class: Crinoidea Nervous System The crinoid nervous system is divided into three parts‚ with numerous connections between them. The uppermost portion is the only one homologous with nervous systems of echinoderms. It consists of a central
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