Match the immune system line of defense with its correct description. includes mechanical barriers that prevent microorganisms from entering the body includes cells and processes that remove or neutralize organisms that have penetrated mechanical barriers a complex defense that recognizes and reacts to specific organisms second line of defense arrowright first line of defense arrowright third line of defense arrowright

The first line of defense of the immune system includes mechanical barriers that prevent organisms from the body. The second line of defense includes processes that help remove or neutralize organisms that have penetrated mechanical barriers. The third line of defense is a complex defense that recognizes and reacts to specific organisms   hope this helps

take a break move to stretching and slowly work back into physically exercising if the problem continues go to a doctor or physical therapist