Around what age does puberty usually begin?
a. 8-9
b. 11-13
c. 14-15
d. 16-18

What parts of the cardiovascular system are affected with atrial fibrillation?

For which locations does the occupational safety and health administration (osha) enforce safety? kitchens in private homes ,backyard farms ,community malls, personal art studios

Will treating a viral infection with antibiotics affect the course of the infection? a) no; antibiotics work by inhibiting enzymes specific to bacteria. antibiotics have no effect on eukaryotic or virally encoded enzymes.b) no; antibiotics do not kill viruses because viruses do not have dna or rna.c) yes; antibiotics activate the immune system, and this decreases the severity of the infection. d) yes; antibiotics can prevent viral entry into the cell by binding to host-receptor proteins.