Which agent would be found in a rub for sore muscles?
a. methyl salicylate
b. calamine
c. diphenhydramine
d. hydrocortisone

The structure shared between the male reproductive system is the

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.

Results from damage to tiny air sacs in the lungs