The 650 skeletal muscles in the human body contract when they receive signals from motor neurons, which are triggered from a part of the cell called the sarcoplasmic reticulum. Motor neurons tell your muscles to contract and the better you become at having those signals tell your muscles to contract, the stronger you can get.
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gloves
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nerve cell.... a nerve cell is bigger than any other cell
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C. Both represent major components of the FITT principle.
Explanation:
A good health can be defined as the state of well-being in which all of the components of an individual's health are in balance. These state of well-being comprises of six (6) important components and they are; physical, spiritual, emotional, environmental, social and mental or intellectual. In order to have a good health, physicians and medical professionals advise individuals to engage in physical activity such as an aerobic exercise.
Aerobic exercises refers to all forms of physical activity that an individual engages in, in order to increase the heart rate (from low to high intensity) in response to the level of oxygen required by any activated or working muscle in the human body.
Basically, fitness experts usually advises everyone to judiciously engage in physical activities or exercises so as to improve their well-being, wellness or heart health.
Progression and variation are similar because both represent major components of the FITT principle.
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<h2>D) It uses safer compounds to produce contrast.</h2><h2 /><h3>Explanation:</h3><h3 />
Magnetic resonance imaging (MRI), nuclear magnetic depth imaging, or fascinating resonance tomography is a medical imaging procedure used in radiology to imagine internal formations of the body in detail. MRI makes use of the feature of nuclear magnetic resonance to image centers of atoms inside the body. MRI can produce more accurate images of the human body that are possible with X-rays.
