If foreign substances pass the body's first line of defense and into the bloodstream, what happens? they are attacked by saliva or mucous. they are attacked by lymphocytes. the body has no other defense. next question ask for turn it in © 2004, 2006, 2011, 2017 glynlyon, inc. terms of use

Asap 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.