What is the safest and most effective way to get a deeper stretch. a. massage the muscles. b. inhale and push the stretch until it hurts. c. lean into the stretch as you exhale. d. place ice on your muscles before stretching.

Group of genes that encode molecules found in all body cells, creating a biochemical “fingerprint” that serves as the “id” for cells so that they are marked as “self” a) deoxyribonucleic acid (dna) b) entry inhibitors c) major histocompatibility complex (mhc) d) non-nucleoside reverse transcription inhibitors (nnrtis)