Answer:
because of all of the chemicals
Explanation:
<span>The answer is letter B.
Long distance running is an activity that can improve muscular endurance. It can range from distances of 10 kilometers to 42 kilometers or even 100 kilometers. This activity is done between 30 minutes to more than 4 hours of continuous running depending on the distance that a person is targeting. Muscular endurance refers to the ability of the muscles to perform activities without undue fatigue. The demands of running for prolonged periods will develop this health-related fitness component especially when done on a regular basis.<span>
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The nervous system has two major divisions: central and peripheral. But the peripheral nervous system is further subdivided into the somatic and autonomic nervous system, and the autonomic nervous system is also divided into sympathetic and parasympathetic fibers. The main function of the PNS is to connect the CNS to the limbs and organs, essentially serving as a relay between the brain and spinal cord and the rest of the body.somatic nervous system (SoNS) is the part of the peripheral nervous system associated with the voluntary control of body movements through the skeletal muscles and mediation of involuntary reflex arcs. ... The ANS can be subdivided into the parasympathetic nervous system (PSNS) and the sympathetic nervous system (SNS).
