Why do you think white blood cells only look at antigens?

Whats the difference between epinephrine and norepinephrine?

Which describes the effect of prolonged stress on blood pressure? it causes blood pressure to decrease. it has little or no effect on blood pressure. it causes the heart to pump with more force. it causes blood pressure to increase.

Aperson is most likely to recover from a viral infection if the infected cells ) can undergo normal cell divisionb) can carry on translation, at least for a few hoursc) produce and release viral proteind) transcribe viral mrna