Asap! how do memory cells fight pathogens? a. they release antibodies to protect the body. b. they produce antigens to protect the body. c. they break down the pathogens that enter the body. d. they respond to a future invasion of the same type of pathogen.

During the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.