BBC © 2013 The BBC is not responsible for the content of external sites. http://www.bbc.co.uk/schools/gcsebitesize/pe/performance/0_performance_nutrition_rev1.shtml Unit 11 p2 Write a report that identifies three dietary needs for each of the five life stages Infancy (0-3 years old) Breast milk: Babies at this life stage rely on breast milk which meets their nutritional requirements. Breast milk contains the nutrients for all the baby’s needs in the perfect amount. Although the breast milk
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Skeletal Muscle Lab Introduction: Motor neurons and muscle fibers are the building blocks of motor units and where they intersect is called the neuromuscular junciton. The region where the flattened end of a motor neuron transmits neural impulses to a muscle is the motor end-plate. The end plate potentials depolarizes skeletal muscle fibers caused by neurotransmitters binding to the postsynaptic membrane in the neuromuscular junction. The process of contraction of the muscle cell is called excitation-contraction
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Laboratory – Muscle Physiology A. MUSCLE TONUS Observations‚ Report and Conclusion: A. Define muscle tonus and give its importance * Muscle tonus refers to a state of slight muscular contraction maintained by synchronous impulses of low frequency‚ discharged by the spinal motor neurons. * Reflex in nature. * Muscle tonus is a small amount of tension in the muscle due to weak‚ involuntary contractions of its motor units. Muscle tonus is important in a sense that it governs the
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efficiency * Muscle fiber type * Higher efficiency in muscles with greater
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Discuss the relationship between distribution of muscle fibre type and performance. How might exercise training modify or change a person’s fibre-type distribution? There are four different types of muscle fibres: type 1‚ type 2a‚ type 2x‚ and type 2c. “A single skeletal muscle contains fibres having different speeds of shortening and ability to generate maximal force: type 1 (slow-twitch) fibres and type 2 (fast-twitch) fibres. Type 1 fies take approximately 110 ms to reach peak tension when
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A Village Cricket Match A G Macdonald’s ‘A Village Cricket match” is an excerpt from his satirical work - ‘England‚ their England’ set against a backdrop of an English village. The story is an amusing portrayal of a village cricket match witnessed by Donald Emerson‚ a young Scotsman living in England. The story begins with a description of the village in which a cricket match was to take place. Around the field‚ groups of village rustics were patiently awaiting the start of the game
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Samuel Dickson Selvon’s‚ The Cricket Match‚ was written in 1957 and focuses on how little the English and the West Indies understood one another. The story takes place in London during a cricket match. Here the West Indians‚ who really do not play cricket‚ are plating the English and some of the best players in the world at that time. A West Indies man‚ Algernon is almost like the spokesman of the West Indies. He talks a big game but the most cricket he has ever played was as a boy in the streets
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Moreover‚ throughout the story Emmett’s regret consumes him. One of his many regrets was that he never stopped the other Gendarmes‚ watching as horrors took place and did nothing. He was a bystander to bullying on a grand scale. The other gendarmes drowning in their misguided ways treated the lives of the Armenians as pointless‚ Emmett watched on. Emmett recalls a moment in his past‚ “And then comes the horseman‚ his face obscured‚ approaching pawing the ground nearby‚ directing his steed’s hoof
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Mathematics is eyes‚ears‚heart‚lungs and above all the basic developing tonic of any human civilization.Maths develops‚Maths reforms and Maths benefits. If maths is removed then there will be no rational thinking.The logic will lose its sense and in the absence of all these vital components there will be no new inventions in the realm of science and business and all of a sudden there will be no difference human and animals.Without maths the whole world will go mad and economy will be badly affected
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MUSCLE PHYSIOLOGY Exercise 11 Acuesta‚ Patrisha Afalla‚ Antonette Hanns Beo‚ Jellie Ayz Bustamante‚ Jemimah Keziah Soriano‚ Jhon Cris Introduction • Muscle Contraction - the shortening of the muscle as a result of tension generated by muscle fibers; -Regulated by the production of calcium ions‚ stimulated via thermal‚ chemical‚ mechanical‚ and electrical stimuli Objectives BE ABLE TO: 1. Make a muscle-femur preparation; Set up Kymograph; Demonstrate muscular contraction; Differentiate
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