The primary cells that control the adaptive immune response are the lymphocytes, specifically the T and B-cells. T-cells play several important roles in the adaptive immune response. All BUT ONE describes a role of T-cells.

lipid

explanation:

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

answerlength of time the medication is in contact with the skin(moistur level of the skin) depth of respirations blood supply to the area; all of the above; ///