What methods would the body use to provide a person with energy throughout a race?
Answer and explanation;
-The body has several different ways of providing energy during exercise. Depending on the intensity and/or duration of activity, the body can provide energy through aerobic or anaerobic metabolism.
-The three energy systems that may be involved are;
Each has a specific means of providing energy dependent on the body’s requirements.
For the first 3 seconds, the muscle cells use the ATP they have within them. For the next 8-10 seconds, the muscles use creatine phosphate stores to provide ATP. For the next 90 seconds, the body uses anaerobic respiration to provide ATP. For the remainder of the race, the body uses aerobic respiration to provide ATP.
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List five examples of combustion in everyday life
#1 Burning of wood or coal to heat your home. #2 Burning of petrol or diesel to run your car. #3 Combustion of natural gas or LPG to cook for on your stovetop. #4 For the production of energy in thermal power plants. #5 Fireworks
If a wave traveling through air decreases its wavelength by half, describe what happens to the wave speed and frequency.
Which describes a high frequency wave? A.
a wave with a low level of energy and a high pitch
few wavelengths pass a given point in one second
a wave with a high level of energy and a low pitch
many wavelengths pass a given point in one second