Heredity, diet, and excersise determine what

Which type of nerve creates a 'mental map" of the relative positioning of the body at any given point in time?

*edit* i took the test and i picked a and it was incorrect for its c! rank the following suggestions for preventing std, in order of increasing effectiveness. 1) using latex condoms properly 2) using spermicidal foam or jelly with a monogamous partner 3) abstaining from sexual intercourse and genital contact a. 1, 2, 3c. 2, 1, 3

Skin puncture techniques are useful when