What part of the body provides structure and rigidity? a. bones b. joints c. ligaments d. muscles

*psych* 1. discuss the major categories of abnormal behaviors as classified by the diagnostic and statistical manual (dsm) 2. identify the characteristics of the major categories of abnormal behavior.

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4