Anatomy and physiology of the brain and spinal cord The brain is a spongy organ made up of nerve and supportive tissues. It is located in the head and is protected by a bony covering called the skull. The base‚ or lower part‚ of the brain is connected to the spinal cord. Together‚ the brain and spinal cord are known as the central nervous system (CNS). The spinal cord contains nerves that send information to and from the brain. The CNS works with the peripheral nervous system (PNS). The PNS
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Enzymes are organic catalysts‚ usually proteins that speed up metabolic reactions. They lower the amount of energy needed for reactions to progress in cells. In enzymatic activity‚ the molecules at the beginning are called substrates. Lactose metabolism is when lactose is destroyed‚ maintained or produced. For instance‚ being lactose intolerance that’s where lactose is destroyed. Metal cofactors in enzyme activity are required to function properly. The Effect of Temperature on Enzymatic Activity:
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[pic] THE KNIFE by Richard Selzer One holds the knife as one holds the bow of a cello or a tulip: by the stem. Not palmed nor gripped nor grasped‚ but lightly‚ with the tips of the fingers. The knife is not for pressing. It is for drawing across the field of skin. Like a slender fish‚ it waits‚ at the ready‚ then‚ go! It darts‚ followed by a fine wake of red. The flesh parts‚ falling away to yellow globules of fat. Even now‚ after so many times‚ I still marvel at its power--cold‚
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3/11/13 Adrenal glands- on top of kidneys - attached to kidneys via connective tissue capsule -cortex- stimulated by ACTH 3 layers 1. - zona glomerulosa - releases mineral corticoids - aldosterone: anti-diuretic. Retain na+ --> leads to h2o retention (Low levels of aldosterone)-->. Hypovolemia- low blood volume-->. leads to low blood pressure 2. - zona fasciculata- glucocorticoids - cortisone‚ cortisol -resist
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D2. Explain the importance of homeostasis in maintaining the healthy functioning of the body. Homeostasis is vital for the maintenance of healthy functioning of the body. It is important the body keeps to a narrow range of variables‚ and without it ‚ chemical reactions and metabolic processes within the body cannot be carried out properly‚ which can cause disease and complications. If the body cannot maintain its temperature‚ this can cause the person to overheat‚ resulting in hyperthermia. This
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BIOS256 Week 2 LAB EXERCISE Introduction to Chemical Digestion Directions: a. Click the Contents button. b. Open the Digestive System File. c. Click Animations. d. Click Introduction to Chemical Digestion. Introduction 1. Explain the function of chemical digestion. The function is to break down food‚ using enzymes and other digestive chemicals to reduce food into particle nutrients molecules that be absorbed and move it through the digestive tract. Digestive Chemicals
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Unit 5 Reading Guide Questions Which minerals are stored in bones? Triglycerides‚ calcium phosphate‚ and calcium hydroxide are all stored in the bones as mineral salts Which types of bones provides a large‚ flat surface area for muscle attachment? Flat bones such as the scapulae have large‚ flat surface area for muscle attachment. Describe the location‚ composition‚ and function of the epiphyseal plate. The epiphyseal plate is located in the metaphysis‚ and is composed of hyaline cartilage
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part as protectors of the wild? What does that even mean to be a protector of wild? Isn’t that contradicting the very concept of being “wild?” The Grey/Gray American Wolf or common wolf is one of the largest members of the dog family. Surprisingly the Grey wolf is not actually grey; the coat can actually vary from shades of white to black. The Grey wolf looks similar to a domestic dog‚ with a strong body‚ a heavy head‚ wide temple and a very predominant jaw. The size of a wolf depends on the environment
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forests and prairies‚ tundra‚ barren ground‚ mountains‚ deserts‚ and swamps. Some wolves even visit large cities‚ and‚ of course‚ the wolf’s domesticated version‚ the dog‚ thrives in urban environments. Wolfs The gray wolf or grey wolf Canis
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There are many sources that cite Grey Goose’s slight decline in sales with the struggling economy. There are also many that say their drops are proportionate to the overall drop in consumer spending associated with the global financial strife. Though numbers may be dropping‚ according to a MSS Vodka impact study‚ “even in this economic environment‚ Grey Goose is the most recommended vodka by bartenders across the U.S.” (Grey‚ 2009). Generally‚ numbers don’t lie; Grey Goose appeared to have a definitive
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