The bottle brush plant is a stiff upright bush that can grow to 15 feet in height. The red flowers cluster on the end of the stems and grow in the shape of a bottle brush.
Definition of conditioning. 1 : the process of training to become physically fit by a regimen of exercise, diet, and rest; also : the resulting state of physical fitness.
Classical conditioning is one of those introductory psychology terms that gets thrown around. Many people have a general idea that it is one of the most basic forms of associative learning, and people often know that Ivan Pavlov's 1927 experiment with dogs has something to do with it, but that is often where it ends.