typically permits the membrane potential to reach the threshold potential at which it fires the next action potential (pacemaker potential). Thus‚ the pacemaker potential is what drives the self-generated rhythmic firing. This is known as cardiac muscle automaticity.[2] Pacemaker potentials are fired by sinoatrial node (SAN)‚ but also by the other foci. However‚ the last ones have firing frequencies slower than the SAN’s. When other foci attempt to fire at their intrinsic rate‚ they can’t because
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the action of electricity on the muscles of dissected frogs. In 1783‚ while working with static electricity on a table at which he had dissected a frog‚ his assistant accidentally touched the frog with a charged scalpel and its legs kicked outward as a frog’s legs would while it’s living. This made Galvani the first to appreciate the relationship between life and electricity. He used the term animal electricity to describe whatever it was that activated the muscles of his specimens. Galvani’s
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In photo one‚ the frog is seen with no cuts‚ the skin is seen. The skin is smooth similar to a worm’s flesh. The skin has pores invisible to the naked eye inside to the naked eye shown in photo ten. The students could not identify what was that green structure shown in photo two. In photo three showing the webbed feet‚ the students noticed that the toes were connected‚ this must have been used for swimming‚ this similar to man made fins‚ which helps humans swim faster and easier. In photo four‚ the
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Amanda Fallon Professor Jed Wolfson Anatomy and Physiology 1 October 27‚ 2011 Rhabdomyolysis: Disease of Muscular Breakdown Rhabdomyolysis is the breakdown of damaged muscle tissues resulting in the release of muscle fiber contents into the bloodstream (Patel M.D.). This disease occurs when there is damage to the skeletal muscle. The breakdown products of damaged muscle cells‚ such as myoglobin‚ are harmful to the kidneys and frequently result in kidney damage or even kidney failure
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HISTORY:- DISCOVERY OF INDIA BY JAWAHARLAL NEHRU INTRODUCTION:- The Discovery of India was written by India’s first Prime Minister Jawaharlal Nehru during his imprisonment in 1942-1946 at Ahmednagar in the Ahmednagar Fort. Nehru was jailed for his participation in the Quit India movement along with other Indian leaders‚ and he used this time to write down his thoughts and knowledge about India’s history. The book is widely regarded as a classic in India since its first publication in 1946
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By establishing a lab that utilized scientific methods to study the human mind and behavior‚ Wundt took psychology from a mixture of philosophy and biology and made it a unique fieBy establishing a lab that utilized scientific methods to study the human mind and behavior‚ Wundt took psychology from a mixture of philosophy and biology and made it a unique field of study. Wundt later wrote the Principles of Physiological Psychology (1874)‚ which helped establish experimental procedures in psychological
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“The Cougar Physiology” 10/15/2012 The Cougar Physiology Kingdom: Animalia‚ Phylum: Chordata‚ Class: Mammalia‚ Order: Carnivor‚ Family: Felidae‚ Genus: Felis‚ Species: Concolor‚ or otherwise known as‚ Cougar. Cougars are also known as the Mountain Lion or puma and have the largest natural range distribution throughout the western hemisphere. This paper will cover characteristics of the cougar‚ the ancestry to the Cougar‚ and what adaptations the cougar has gone through to survive in its habitat
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BTEC Level 3 Unit 2: The Physiology of Fitness Describe the musculoskeletal and energy systems response to acute exercise. What is an acute response? An acute response is an immediate response to exercise. Acute exercise will last throughout the full length of your training session. During the training session our bodies begin to respond to the exercises we are doing and begin to feel the changes within our bodies and mind due to physical strain and stress of the physical activity in lots
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physical activity and inactivity. Federation Proceedings 39‚ 1506-1513. Seals‚ DR.‚ Evans‚ SL.‚ Davy‚ KP. & Stevenson‚ ET (1994) Physiological determinants of 10-km performance in highly trained female runners of different ages.Jounal of Applied Physiology. May 78 (5). Tipton‚ C. M. & Vailas‚ A. C. (1990) Bone and connective tissue adaptations to physical activity. In: Exercise‚ Fitness‚ and Health (Bouchard‚ C.‚ Shephard‚ R. J.‚ Stephens‚ T.‚ Sutton‚ J. R. & McPherson‚ B. D.‚ eds.)‚ pp. 331–344
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The Physiology of Fitness – Acute and long term effects on the body Musculoskeletal System Response to acute exercise Increased Blood Supply During exercise your blood supply increases to your muscles‚ the reason for this is to keep them working and making sure that they don’t get tired too easily. Increase in Muscle Pliability During exercise your muscles will also become more pliable because as the muscles contract quickly they will generate heat‚ this then makes the muscles more pliable
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