nausea and vomiting ‚convulsions of all muscle groups which become more longer and shortly space.Loss of consciousness‚poster become arc shaped.Poster may be opinthotonus or pleurothotonus. LD50: 1. For rodents 0.16mg/Kg. 2. For Humans 1-2mg/kg. Mechanism Of action (strychnine): Strychnine is a neurotoxin and death occurs due to asphyxia(respiratory failure).Motor nerves are present on spinal cord‚they control the muscle contractions. Strychnine act on the glycine receptors
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consumption of oxygen and nutrients by muscle cells requires more blood supply. The functions of blood include delivering oxygen‚ removing CO2‚ removing heat and delivering nutrients and water. Therefore‚ blood flow is important in cellular respiration‚ which is the process where ATP is produced through the conversion of metabolites‚ also involving the consumption of oxygen and release of CO2 as a waste product. ATP is vital to skeletal muscle contraction‚ since the power stroke is facilitated by
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hypertension‚ and high cholesterol. Muscular Strength Maximum force able to exerted by single contraction of a muscle or muscle group. Resistance exercises by lifting things around the house or at work place 20 to 30 minutes a day. 2-3 days per week The ability to lift heavier objects or carrying them longer. Muscular Endurance The ability to perform high-intensity muscle contractions repeatedly without fatiguing. Go running or swimming. Increases metabolism‚ and reduces fatigue
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vascular fitness is increasing as my body can pump a larger volume of blood (oxygen) per contraction or vice versa. If my heart after exercise is consistent but my PEP sessions are getting more difficult it will also tell me that my cardio vascular fitness level is increasing as my heart can provide my muscles with more oxygenated blood‚ as it is a more difficult session‚ with the same amount of heart contractions I can also use my after exercise heart rate to gauge the intensity of each session
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system Energy Systems * The human body requires energy for its organs to function‚ internal processes to take place and to power muscular contractions for movement * Energy in the human body is stored in the chemical bonds that join atoms and is released when needed * The transformation of food‚ chemical energy‚ into energy that the muscles can use‚ mechanical energy‚ is the role of energy systems * Chemical energy is energy stored in bonds between atoms * Mechanical energy
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Introduction Aim: Finding out how exercise affects the heart rate and breathing rate. Hypothesis: Exercise exists in different forms and has many benefits; it improves the oxygen-carrying capacity of the blood‚ development of bones‚ strengthens muscles and the lungs capacity plus it can make you feel good. There are different exercises and intensities for different benefits. Lower intensity exercises are not designed to work the body as hard. As a result less oxygen is needed and less waste is in
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stomach has three layers of non-striated muscle in its wall and an inner lining of columnar epithelium with goblet cells. The tissue connecting the lining with the muscular coat is areolar tissue. Non striated muscle is a type of muscle tissue‚ which is also called involuntary‚ smooth or plain muscle. It still contains the protein filaments; they do not lie in an ordered pattern and therefore do not produce the banding characteristics of striated muscle. The muscle fibres are spindle or cigar shaped
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Cardiac hypertrophy (increased ventricular volume): • Enlargement of the heart muscle itself • Increase in size and volume of the ventricular chambers‚ particularly the left ventricle occurs. • Significantly increases stroke volume Increased capillarisation of the heart muscle: • Increase in capillarisation of the heart muscle itself (Increase in capillary density and blood flow to the heart muscle) • Increased supply of blood and oxygen allows the heart to beat more strongly
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carries the response message from the spinal cord to the muscle or organ 5.) The Effector Organ itself‚ which carries out the response Proprioceptors and the Control of Movement Proprioceptors are specialized receptors located throughout the body within tendons‚ muscles and joints that provide sensory information about the state of muscle contraction‚ the position of body limbs‚ and body posture and balance This feedback and control over muscles is provided primarily by the afferent input from two
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Luminous infrared B. Tungsten filament C. 1500-12000 mµ wavelength range D. Penetrates as deeply as 10 mm into skin tissue 10. The primary effect of radiant energy on tissue is: A. Increase in circulation B. Reduction of pain C. Decrease in muscle spasm D. Thermal 11. Mottled appearance on the skin after repeated heat radiation is called: A. Erythema dosage B. Erythema ad lib C. Erythema ab igne D. Erythema pigmentation 12. The normal polar formula for galvanic
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