Which organ system creates white blood cells

The youngest babies change position once every on average. a. 5 minutes b. half hour c. minute d. 10 minutes

Which of the following could use reverse transcriptase to transcribe its genome? a) ssrnab) dsrnac) ssdnad) dsdna

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.