The main function of the immune system is to provide to the body, which is defined as the body’s ability to protect itself from pathogens it is exposed to.

you aren't worthless, you are a one of a kind person who, deserves happiness like anyone else, you may not get it but everyone deserves happiness. i hope this .

answer; (c); to assure that workers have the right to a safe workplace and that it is the employer's responsibility to provide safe and healthy workplace;