7. which event is part of afterbirth?
a production of breast milk
b breaking of the amniotic sac
d delivery of the placenta
od gradual dilation of the cervix

During the sixteenth, seventeenth, and eighteenth centuries, the mentally ill were housed in

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.

Which is a reason for drinking a sports drink during exercise? a. exercising less than an hour b. avoiding extra calories c. exercising in heat and humidity d. performing gentle stretches