blood

lose blood   

draw blood =make someone bleed  

give/donate blood =have blood taken from you for the medical treatment of other people  

blood clots =blood that forms a mass and stops flowing  

dried blood be caked with blood (=covered in dry blood)  

pool of blood  

drop of blood  

trickle of blood  

blood flows/oozes/gushes  

blood test  

blood cell  

blood sample