any specific behavior | activities associated with sexual intercourse |
the trait of being active; moving or acting rapidly and energetically | the properties that distinguish organisms on the basis of their reproductive roles |
an organic process that takes place in the body | all of the feelings resulting from the urge to gratify sexual impulses |
a process existing in or produced by nature (rather than by the intent of human beings) | either of the two categories (male or female) into which most organisms are divided |
the state of being active | |
(chemistry) the capacity of a substance to take part in a chemical reaction | |