They don't. The CNS, muscular, and skeletal systems do.
Smoking, lack of exercise, lack of attention to Asthma, and exposure to irritants such as dust can all affect the performance of the respiratory and circulatory systems.
Smoking, lack of exercise, lack of attention to Asthma, and exposure to irritants such as dust can all affect the performance of the respiratory and circulatory systems.
Smoking, lack of exercise, lack of attention to Asthma, and exposure to irritants such as dust can all affect the performance of the respiratory and circulatory systems.
Smoking, lack of exercise, lack of attention to Asthma, and exposure to irritants such as dust can all affect the performance of the respiratory and circulatory systems.
Smoking, lack of exercise, lack of attention to Asthma, and exposure to irritants such as dust can all affect the performance of the respiratory and circulatory systems.
Smoking, lack of exercise, lack of attention to Asthma, and exposure to irritants such as dust can all affect the performance of the respiratory and circulatory systems.
Smoking, lack of exercise, lack of attention to Asthma, and exposure to irritants such as dust can all affect the performance of the respiratory and circulatory systems.
Smoking, lack of exercise, lack of attention to asthma, and exposure to irritants such as dust can all affect the performance of the respiratory and circulatory systems.
carbondioxide leaves your body when you breathe out. the respiratory system helps move these substances into and out of your body.
carbondioxide leaves your body when you breathe out. the respiratory system helps move these substances into and out of your body.
Ch2o + o + o2 -> co2 + h2o + atp
nicotine is a dangerous "drug" that damages the respiratory system , specifically the lungs . So, If a person does not smokes , and does not inhale "secondhand smoke" , his/her respiratory system will be healthy... facebook : lizie_aquino@yahoo.com twitter : @leezey27