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.
Aerobic conditioning. Aerobic conditioning is a process whereby the heart and lungs are trained to pump blood more efficiently, allowing more oxygen to be delivered to muscles and organs. Aerobic conditioning is the use of continuous, rhythmic movement of large muscle groups to strengthen the heart and lungs (cardiovascular system).