If you have an XY child do you have a son or a daughter?

Whats the difference between epinephrine and norepinephrine?

Aperson who doesn't have enough calcium in his or her diet is at risk for developing bones that are weak and break easily. this condition is known as  a.  osteoporosis.    b.  crohn's disease.    c.  celiac disease.    d.  hemophilia.

The goal of the flu vaccine is to prevent you from becoming infected with influenza. select the best answer from the choices provided. t f