47. What combination of symptoms might indicate leukemia? . Immature EBCs found in the bloodstream . Bone marrow occupied with cancerous WBCs . WBC production increases but cells aren’t functional 37. 49. What is prothrombin? . The inactive form of thrombin 38. 50. Why don’t platelets form a plug in our blood vessels all the time? What would happen if they did? What is the difference between a thrombus and an embolus
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Chapter 10- Muscle Tissue Choose the best answer to each of the following questions. 1) How does muscle tissue contribute to homeostasis? A) by generating heat that helps maintain body temperature B) by moving materials through the body C) by pulling on bones to move the body D) A and B are correct. E) A‚ B and C are correct. 2) The primary function of muscle is A) conversion of chemical energy into mechanical energy. B) conversion of chemical energy into radiant energy. C) conversion
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Q1 Muscle contraction can be understood as the consequence of a process of transmission of action potentials from one neuron to another. A chemical called acetylcholine is the neurotransmitter released from the presynaptic neuron. As the postsynaptic cells on the muscle cell membrane receive the acetylcholine‚ the channels for the cations sodium and potassium are opened. These cations produce a net depolarization of the cell membrane and this electrical signal travels along the muscle fibers. Through
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types of muscle skeletal which are voluntary‚ smooth muscle which are involuntary and cardiac muscle. Muscle is made up of protein filaments‚ myosin and actin. These filaments slide past each other to produce a contraction which changes both the length and shape of the cell. The primary function of the muscle is to produce both movement and force. Skeletal muscle is composed of bundles of muscle fibres containing myofibrils of thick and thin filaments (myosin and actin). Skeletal muscle have distinct
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Muscular System: Muscle Metabolism 1. List the three roles of ATP in muscle contraction: 1. _energizing the power stroke of the myosin cross bridge________________________ 2. _disconnecting the myosin head from the binding site on actin at the conclusion of a power stroke_________________ 3. _energizing the calcium ion pump; transporting calcium___________________ 2. The potential energy in ATP is released when the terminal high-energy bond is broken by a process called _hydrolysis________________________
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MUSCLE FATIGUE HOW DO MUSCLES GET THE ENERGY TO WORK? In muscles‚ it is essential that Calcium is present‚ as this gives the muscles the ability to contract and relax. For muscles to contract energy is needed: the energy can only be provided by the breakdown of a chemical called adenosine triphosphate (ATP). As ATP is broken down‚ a phosphate molecule is broken off‚ reducing the phosphate molecules‚ from 3 to 2. This produces adenosine triphosphate. However for the muscles contraction to continue
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situations and have explained us the science of resuscitation – what happens when we die? Resuscitation medicine is now capable of reviving people after their heart has stopped beating and their brain has flat-lined – objectively died. Patients have described their experience of that period – going beyond the verge of death‚ entering the domain for first few minutes or few hours of time – before they are resuscitated. It provides us indications of what we are all likely to experience when we go through death
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Muscle Fatigue Monira Begum How muscles work and get the energy they need to work. Muscles need energy to work and move. (1) Their main source of energy is glucose. Glucose is made of a number of different types of carbohydrates (usually sugar) as well as milk and fruits. Glucose turns into other chemicals such as water and carbon dioxide which releases energy. (2)Your muscles get warm when using or burning energy. Glucose is sent to muscles through red blood cells; this is how muscles get
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6 Things That Happen To Your Body Postpartum You’ve done your fair share of obsessive research and know what you’re getting yourself and your hooha into and it’s all worth it because baby will be here soon! Here’s the next chapter- the postpartum phase- the kind of stuff nobody talks about because‚ well‚ it’s pretty scarring and and a little gross. 1. Stitches Down Under: You may already know that episiotomies aren’t a routine procedure‚ but even if you aren’t the receiver of an incision you might
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Whatever Happens‚ Happens for the Best Once upon a time there was an old man called Bob‚ who lived alone in a village. He would go about his business alone‚ even in his old age. He was a nice‚ friendly man who was liked by all the people in the village. Bob had only one son and he moved to a school far away from the village. Many people in the village always felt sorry for Bob‚ they knew he must be lonely. The villagers would always ask Bob if his son would ever return. To all of them‚ Bob would
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