What do lymph nodes do? why do they sometimes become swollen?

Match each burn type with an appropriate treatment.

What should you sprinkle on cut fruits to slow the browning process? a. oil b. lemon juice or acids c. salt d. melted butter

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)