BIOL 2010 ANATOMY AND PHYSIOLOGY I Chapter 4: TISSUES AND MEMBRANES Outline of Notes I. Introduction. A. General: Cells are highly specialized and interdependent on one another. Groups of similar cells performing similar functions are called Tissues The study of tissues is called Histology. Organs are made of tissues. A detailed understanding of tissues will greatly help your understanding of organs and organ systems later in this course. Tissues are classified into 4 main types:
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Chapter 2: Neurons and Glia 1. Introduction * Although there are many neurons in the human brain (about 100 billion)‚ glia outnumbers neurons by tenfold. 1:10 ratio. * Neurons are the most important cells for the unique functions of the brain. * Neurons sense changes in the environment‚ communicate these changes to other neurons‚ and command the body’s responses to these situations. * Glia‚ or glial cells‚ are thought to contribute to brain function mainly by insulating‚
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What are the potential risks and benefits of migration for European states and societies? Migration has been in existence since humans appeared in the world. However our forbearers had different purposes for moving from one location to another than the contemporary humans. Their reasons for leaving a territory were changing climate or infertile soil1. The motivational factors for modern migration differ from that. They are in tight correspondence with globalization. Through this phenomenon there
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A neuron is a nerve cell in the brain‚ it is essentially the building block of the nervous system. Each neuron is itself a miniature decision making device‚ reacting to signals it receives from hundreds‚ even thousands of other neurons. Each signal is either excitatory or inhibitory. Excitatory signals increase the likelihood of an action potential happening‚ inhibitory make an action potential in a nerve cell less likely. The action potential is a nerve impulse. Once the excitatory signals over
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being an online student. Obtaining my BA Social and Criminal Justice while‚ attending Ashford University online will most definitely help with achieving my long-term academic‚ personal and professional goals. My Goals and SMART Goals Creating a game plan for success can be challenging‚ however after evaluating my future‚ building on past positive experiences‚ I need to determine what I need‚ to reach my long-term goal which is to become a private investigator or a probation officer by the age of
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When Everything Changes- Change Everything? How do you deal with change? Are you a change-agent or a mere resistance to change? Are you intimidated with the possibility‚ and have the pessimistic ‘what-if’ personality? Do you change the change itself by physical or clout power? Or are you strong and welcome the possibility of something new? How do you take change? How should you take change? I guess I just flustered you with my mountain of enigmas. Sorry! I would still like you to answer those
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2. Draw and completely label a cell membrane. [pic] 4. List and briefly discuss the 5 components of cellular membranes. 1. Phospholipids layer- 2 layers ‚ polar and non polar ‚ polar facing the extracellular fluid and cytoplasm 2. Transmembrane proteins-integral membrane proteins are proteins that expand the membrane 3. Interior protein network-peripheral proteins are in the interior side of the membrane 4. Cell surface markers are glycolipids‚ carbohydrates/lipid
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of the most important values to have in order to overcome barriers and face challenges are persistence‚ citizenship‚ and integrity. Persistence is valuable when facing challenges because it allows you to push through and continue facing challenges even after you may want to stop. Citizenship is a valuable value to have because it allows you to build others up and encourage them to overcome their own challenges and barriers. Integrity is an important value to have because‚ if you stick to what you believe
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Signals from the SNS also cause the adrenal gland to _________ epinephrine and norepinephrine. 3. Neurons can excite or inhibit another neuron. Exciting another neuron will increase the chances of a/an ___________________ in the second neuron. Inhibiting another neuron will make the chances of a/an __________________ less likely. 4. Axons from one neuron can synapse with the dendrites or soma of another axon. These synapses are called ______________________
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What Was the Most Important Consequence of the Printing Press? The most important consequence of the printing press was the spread of knowledge. Knowledge is the greatest aspect and power. Before Gutenberg’s invention of the printing press‚ there was the development of language‚ writing with hieroglyphs‚ the alphabet and then printing. Scribes would write a book by hand from the dictation of a scholar. Most citizens were uneducated while few were well educated. Handwritten books were expensive
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