This is how you sign Blood in American Sign Language.

To sign "Blood" in American Sign Language (ASL), follow these steps:                                                

1. Just hold your non-dominant hand open in front of your chest.                                  

2. Touch your chin using your index finger with your dominant hand and smoothly transition into a "trickle down" movement over the non-dominant hand (fluttering the fingers of the dominant hand just a bit as it goes down).