Angelo was diagnosed with lung cancer. which best describes what is happening to the cells in his lungs? the cdks have been inactivated by cell inhibitors. the cell inhibitors have been inactivated. the cyclin levels have all been diminished. the cell cycle has been halted at interphase.

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.