In order to explain the ecological approach in the learning process, we. present its underlying principles and analyse them in relation to existing learning design frameworks. To formalize. our approach, we define the basic concepts and propose a general framework for constructing learning paths.
Most women need 20-25 units for the treatment of frown lines. However, men may need 35 units because the bulk of muscle to be weakened is larger. BotoxÂ® prices nationwide average between $10 and $15 per unit.
The lethal dose of Botulinum toxin is 3,000 units. The average dose for the treatment of the forehead, crows feet and frown lines between the eyebrows is approximately 50 units in total. It has been used in much higher doses to treat muscular disorders for over 10 years.