Bone tissue continuously renews itself throughout life as a result of a variety of stimuli by the process of bone remodeling‚ in which old bone is replaced by new bone in order to preserve bone strength and mineral stability. It requires a particular balance between bone deposition and resorption‚ by the combined action of osteoblasts and osteoclasts‚ respectively. This process prevents the accumulation of bone micro-damage‚ removing injured bone and reshaping bones in response to use and disuse
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Cardiac This is an involuntary muscle‚ found solely in the walls of the heart‚ as well as in the walls of the blood vessels. This sort of muscle has similarities with the skeletal muscles‚ because it is striated. Furthermore‚ it has slight similarities to the smooth muscles‚ because its contractions are not under conscious control. On the other hand this type of muscle is highly specialised. It is under the control of the autonomic nervous system‚ however‚ even without nervous imput contractions
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One out five people will suffer some types of fracture such as Alex‚ who is accidentally pushed by one of his friends now Alex lies in pain and bleeding because a bone has popped out of his leg this called compound fracture. What is a fracture? The word fracture means broken bone this occurred when the bone snaps into two or bone snaps into several pieces due to excessive force. There is different way a fracture can occur‚ for instance small children are risk of developing fractures due to weak bone
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Muscle Test #1 Study Guide 1. What are the primary functions of muscles? What are skeletal muscles made of? Five Skeletal Muscle Functions 1.Produce movement of the skeleton •By pulling on tendons that then move bones 2.Maintain posture and body position 3.Support soft tissues •With the muscles of the abdominal wall and the pelvic floor 4.Guard entrances and exits •In the form of sphincters 5.Maintain body temperature •When contraction occurs‚ energy is used and converted to heat
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Essentials of Anatomy and Physiology‚ 9e (Marieb) Chapter 5 The Skeletal System Short Answer Figure 5.1 Using Figure 5.1‚ identify the following: 1) Spongy bone is indicated by letter __________. Answer: A Diff: 1 Page Ref: 135-137 2) The area that causes the lengthwise growth of a long bone is indicated by letter __________. Answer: E Diff: 2 Page Ref: 135-137 3) The area that serves as a storage area for fat in adults is indicated by letter __________
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In Salvage the Bones by Jesmyn Ward‚ the audience is introduced to the struggles of an African American family in Mississippi trying to get everything together before the terrible storm‚ Hurricane Katrina crashes onto the coast and wipes everything out. This heartfelt novel introduces to the audience the theme of parenthood/motherhood‚ the role that the absence of a mother/father had on the children‚ the role of basketball and the affect it had on the family‚ the role of dog fighting and how it related
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it easy to be ingested by the body. It is known to be the first and foremost step of digestion as food can’t be swallowed effectively without it being turned into something that is easily consumable. For the jaw to be able to churn the food repeatedly‚ it requires muscles to adduct and abduct as well as give it strength to bite on hard food such as tooth-crackers. Muscles of mastication are known to be the most crucial muscles in the head aside from the muscles that are required to show facial
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the body‚ the brain tells the body how to react. the brain as a central computer that controls all bodily functions‚ then the nervous system is like a network that relays messages back and forth from the brain to different parts of the body. It does this through the spinal cord‚ which runs from the brain down through the back and contains nerves that branch out to every organ
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these are chronic and acute. Example Answer There are many changes to the body during exercise; these can be classified as acute and chronic. Acute meaning they are short term and happen almost instantly with the onset of exercise. The other chronic is long term and allows the body to adapt its capabilities so therefore it can meet new demands in the future. Examples of these will be discussed in time through each one of these bodily systems: musculoskeletal‚ energy‚ respiratory and cardiovascular
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my book of the month I chose to read The Lovely Bones by Alice Sebold. The book was an amazing experience because it was very exciting‚ it drew wonderful pictures in my mind. This book was heartfelt‚ but yet at times it was funny. this book had a great message and i enjoyed reading it. The characters in the book were excellent. the author made them very believable and realistic. My favorite character was Lindsey‚ Susie’s younger sister. If one of my family members died I think I would be some
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