Niel Armstrong
Buzz Aldrin
Alan B Shepard
The tendency of these people, wherein 10 of them are psychology majors and all of them believing that they will become psychologists, to make predictions about one's life so self-assuredly is called overconfidence.
Being overconfident may have its own pros and cons depending on the situation this behavior used in.
A way of understanding and explaining the natural world
The circulatory system is the body's transport system. <3
