I’m often running yet I have no legs. You need me but I don’t need you. What am I?

Answer: Water

More What am I ? with answers

More What am I ?

I’m precious. Furthermore, I'm half Fear and two thirds ironic. What am I?
I’m rarely touched but often held and if you’re wise you’ll use me well. What am I?
I’m really blue, but when you see me I’m red. You don’t see me too often. I’m there for you if you’re hurt, but I’m good for you. What am I?
I'm red but I can be green at times and I am even yellow. What am I?
I'm simple for a few people. But hard for them to hear. I live inside of secrets. I bring people's worst fears. What am I?
I'm smaller than a mouse, but I can fill a whole house. What am I?
I'm so fast you can't see me, though everyone else can see straight through me. I don't stop until the day you die. What am I?
I’m so simple I only point, Yet I guide people all over the world. What am I?
I'm tall when I'm young and I'm short when I'm old. What am I?
I'm the manly mark that milk makes. What am I?
I'm under your face, I'm outside your mind; A biological case, Pressure brings pain sometimes. What am I?
I'm where yesterday follows today and tomorrow is in the middle. What am I?