Devons target heart rate zone is 140-177bpm. Julian's target heart rate is 148-181 bpm. They stop running check their pulse and
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↦ Human health , population and environment are interelated on the basis of science and technological aspects developed by human beings. Health is broadly studied in medical science and many scientific achievements affect human health in positive as well as negative ways. Some inventions like x-ray , ultrasonography , computerized tomography ( CT ) scan and various other scientific technologies are widely used in diagnosis and treatment of different diseases. These new technologies are useful in tackling human diseases and health hazards. But the use of some technologies is harmful to human health and the environment as well. Experimentation of nuclear power , development of different weapons , production of pollutants etc can be taken as some of the adverse effects of science and technology on health and the environment.
Some of scientific technologies are useful in the conservation of the environment. Identification not environmental problems and evaluation of the environmental status have been easier due to the development of technologies. In this way , health , population and environment are interrelated on the basis of science and technological aspect.
Invention and experimentation not some science and technological objects sometimes cause massive destruction of people and environment. Nuclear bomb explosion by USA at Hiroshima ( on 6th August 1965 ) and Nagasaki ( on 9th August 1945 ) in Japan are eminent examples of brutal destructive effects caused by technological development on human and the earth. The radioactive effects of the explosion are still inhibiting natural development of life at the affected areas even after several decades.
Science and technological aspects have both positive and negative impacts on human health , population and environment. Hence , they are closely related with each other.
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