How do i talk to women i wanna know

What system have glands found throughout the body that release hormones into the bloodstream

Which of these technological advances has improved flu vaccines? a. ct scans b. cell-based culturing c. egg production d. glucose monitors

What is the increase of frequency intensity or duration since the body adapts to training? (just found the answer in my work, it's overload lol. free points i guess? it won't let me take this down.)