Is there a differance between std's and sti's? if so, what is the differance? what is one parasitic std or sti? can you die from herpes? which is worse, aids/hivs or herpes?

When lifting, where should you bend?

Describe specific ways your friend can use frequency, intensity, time, and type to safely apply the overload principles to his workout schedule. provide two ways per training principle. sunday30-minute bike ride monday20 push-ups, 10 squats, and 20-minute jog tuesday30-minute bike ride wednesdayrest thursday20 push-ups, 10 squats, 25 curl-ups, and 20-minute jog friday30-minute bike ride saturdayone-hour walk

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?