Which is not transported by the circulatory system? a. carbon dioxide

b. water

c. blood cells

d. oxygen

What is difference between an epidemic and a pandemic? a) an epidemic is a disease; a pandemic is a treatment.b) an epidemic is restricted to a local region; a pandemic is global.c) an epidemic has low mortality; a pandemic has higher mortality.d) an epidemic is caused by a bacterial infection; a pandemic is caused by a viral infection.

Which food preservation method can people use at home? a. fermentation b. irradiation c. pasteurization d. thermal processing

Why does a women get a uti? what is a uti?