The first line of defense involves which structure(s)? 0 T-cells O skin O blood O B-cells​

Viruses can cause the following, check all that apply. a. sore throat b. measles c. ear infection d. flu e. chicken pox

Arm circles are often effective dynamic stretches for swimmers because they

What typically happens when a family member has a problem with alcohol or drugs? adults in the family are affected more than children children in the family are affected more than adults. the entire family is affected. no one in the family is affected.