Your body stores energy‚ also known as ATP‚ inside of muscle and other tissues in the form of the carbohydrate glycogen. This stored glycogen can last for up to 15 to 20 minutes of physical activity. For quick and short bursts of energy‚ the body uses previously stored ATP made by lactic acid fermentation. But when you exercise for longer than 90 seconds‚ cellular respiration
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Enzymes and Their Importance in Plants and Animals Enzymes are large proteins that are responsible for catalysing thousands of metabolic processes that sustain life. Enzymes work similarly to those catalysts used in industry by lowering activation energy and therefore dramatically speeding up the rate of a reaction‚ however‚ these biological catalysts are highly selective to their substrate. Almost every chemical reaction that occurs in a cell requires enzymes in order to occur at rates required
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BASIC CHEMISTRY 1. What is the difference between being ionized and being polar? When ionized the atom will either lose or gain electrons. A polarized molecule has an overall neutral charge with positive and negative sides such as H2O. 2. Compare macromolecules to Monomers; complete the chart below Example of a Macromolecule | Corresponding Monomer | polysaccharide | monosaccharide | lipids | glycerol‚ fatty acid | protein | Amino acids | nucleic acid | necleotides
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Cellular Functions CORE TOPIC 1: CELLULAR FUNCTIONS Learning Outcomes: (a) Describe and interpret drawings and photographs of typical animal and plant cells as seen under the electron microscope‚ recognising the following membrane systems and organelles: rough and smooth endoplasmic reticulum‚ Golgi body‚ mitochondria‚ ribosomes‚ lysosomes‚ chloroplasts‚ cell surface membrane‚ nuclear envelope‚ centrioles‚ nucleus and nucleolus. (b) Outline the functions of the membrane systems and organelles
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Body’s Response to Acute Exercise Musculoskeletal response: There is an increase in blood supply as your body is working "overtime”. The blood supply has to increase because it has to go to the parts in your body which you are exercising the most e.g. If you are taking a run‚ the blood supply will increase because your legs will need more energy‚ therefore there will be more blood circulating your legs than normal because you are overworking them. Your muscles and all your body organs need
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Callum Bourke Describe the long term effects of exercise on the Muskoskeletal system and energy systems. (P3) Describe the long term effects of exercise on the cardiovascular and respiratory systems. (P4) Cardiovascular System Cardiac Hypertrophy The heart increases in size and volume; this allows more blood to enter the heart allowing a greater amount of oxygenated blood to be pumped to the working muscles. To withstand the large amount of blood‚ the left ventricle becomes thicker
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bonds b. hydrogen bonds c. ionic bonds d. polar covalent bonds ____ 11. Sucrose is formed from fructose and glucose by a. an electron transfer. b. a cleavage reaction. c. dehydration synthesis. d. a rearrangement. ____ 12. Glycogen‚ cellulose‚ and
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Chapter 2 Chapter 2 is about Molecular level of life/ the chemical component of life. What does chemistry have to do with our life? Chemical aspect of life. Matter: anything in the universe that has weight and occupies space. The weight is called mass. The mass will remain constant regardless of gravity. Can exist in our body in three different forms Three states of matter in our body. * Solid: in our body are organs‚ Bones‚ they will have different shapes. * Liquid: In our body
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Task 2 Preseason cooper run Post Training Cooper Run Weight 94kg 93kg Resting Heart Rate 63bpm 63bpm Breathing Rate rest 12 13 Breathing Rate after 32 34 Distance 1856m 1903m HR Max 180 183 HR min 63bpm 63bpm PRE @ end Sit and Reach 19cm 19cm Peak Flow 413 416 Submission date:28/4/14 In terms of the muscular system the long term effects of exercise are – Hypertrophy – the muscle increases in size and bulk. Hypertrophy is a result of an increase in the
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play a role”. (Association‚ Diagnosis and Classification of Diabetes Mellitus‚ 2010‚ pp. 562-569) Diabetes mellitus generally results from an insulin deficiency or resistance. Insulin transports sugar into cells for use as energy and storage as glycogen which is a carbohydrate. Insulin also stimulates protein synthesis and free fatty acid storage. Insulin deficiency or resistance compromises the bodies access to essential nutrients for fuel and storage. Several processes called pathogens(capable
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