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Answers
Explanation:
Speed is a physical component that has a direct relationship with the nervous system and the muscular system. The movements your muscles make are coordinated and controlled by the brain and nervous system.
The voluntary or striated muscles (they are attached to the skeleton) are regulated by the parts of the brain known as the cerebral motor cortex and the cerebellum.
If you want to move part of your body, the motor cortex in the brain sends a message to the cerebellum (it controls the movement coordination) and to a particular neurons (nerve cells), called upper motor neurons. Upper motor neurons have long tails (axons) that go into and through the brain, and into the spinal cord, where they connect with lower motor neurons.
The lower motor neurons in the spinal cord send their axons via nerves in the arms and legs directly to the muscle they control so it contracts.
The combination of the nervous system and muscles, working together to permit movement, is known as the neuromuscular system.
Speed also has a very important role in many sports.
For some athletes such as Track and Field sprinters, sprint swimmers, cyclists and speed skaters, speed is the most important aspect of
fitness. In many other sports, including team field sports, good speed is also very important as part of the overall fitness profile.
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