A feeling a person could get when under too much pressure they can't handle
Answer:mental life; observable behavior
Explanation: Mental life has a lot to do with how psychologists focus more on the physiological research in the 1920s and 1960s, but as times goes by, they emphasize more on observable behavior. Because both mental life and observable behavior work together for a good psychological result.
"<u>THE FLU</u>"
According to the lesson the flu symptoms are more severe than the common cold. In addition to respiratory difficulties (sneezing, coughing, sore throat), the victim will also suffer from fatigue.
However Symptoms of the common cold may include runny nose, sneezing, congestion, coughing, sore throat, fever, and achy muscles.
The common cold doesn't have "fatigue" but the flu does.
The circulatory system delivers oxygen and nutrients to cells and takes away wastes.