Could somebody help me clearly understand pump head i.e static head, delivery head, residual head and friction head . Please give me examples in S.I units. This is for plumbing purposes

My 2 week old daughter has slight swelling to her head on 1 side I think its were she has been sleeping on that side most of the time but I'm not sure and she doesn't seem to sleep as long since I've noticed it is thhe swelling anything to worry about?

I have swelling and fluid build-up in my groin area is this something to worry about? I've been to doctors they don't anythings wrong. I'm hurting. Is there something else to try?

Hi, I got in a car accident sat. night and I had to go into the er and get stitches all over the inside and outside of my mouth. My question is I am really swelled up and was wondering what I can do to get the swelling to go down other that ice, and I think my cuts are already infected what can I...