Answer:
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Explanation:
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Brain:</em></h2>
Smoking can increase the likelihood of having a stroke by 2–4 times. Strokes can cause brain damage and death.
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Heart:</em></h2>
Chemicals in tobacco smoke increase the chance of heart problems and cardiovascular diseases. ...
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Bones:</em> </h2>
According to the National Institutes of Health (NIH), smoking reduces bone density, making the bones weaker and more brittle.
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Immune system:</em></h2>
The immune system protects the body against infection and disease. According to one 2017 study, smoking reduces immune function and causes inflammation in the body.
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Lungs:</em> </h2>
The lungs are perhaps the most obvious organ that smoking affects. It often takes many years before a person notices any symptoms of smoking-related lung disease.
To introduce elements that make up the health-related components of fitness
Answer:
The two hormones, LH and FSH, are responsible for production of testosterone in boys. Testosterone is the male sex hormone produced in the testes. Blood levels of testosterone in boys rise during puberty, and this surge of hormone levels is responsible for development of the male features: facial hair, pubic hair and muscle development.
Explanation:
