According to the American Psychological Association, what is the most significant source of stress for Americans? (2 points) a
Health

b
Money

c
Education

d
Work

Cultural, economic , and social changes that resulted in the migration of more people into cities - utilitarianism -industrial revolution -age of enlightenment

Scientists who study the anatomy of the systems in the human body focus their studies on

Blood cells bring oxygen to cells and take carbon dioxide away. true or false