Answer:The principle of progression states that you should increase overload, which can be achieved by using FITT (frequency, intensity, time, and type) when your body adapts to its present routine. The specificity principle states that only targeted exercises will improve specific fitness goals.
Explanation:
Low levels of Serotonin, many doctors have found that patients with low levels of Serotonin suffered from depression. Serotonin can affect moods, which can lead to disorders.
Answer:
labored breathing,deep coughing, eye and nasal discharge,bloody diarrhea,or depression
Puberty, and there are many websites and books that offer information so you know what to expect.
