another

accident

unlucky

lots of

tiny

blood vessels

bleed

tear : if you cut yourself , lots of tiny blood vessels tear and bleed

straight

army

platelet ; but straight to the  rescue are , an army of platelets

stick together

glue ; they stick together like glue

clot

clotting ; this is called clotting

plug

protein

fibrin

fiber ; 

scaffolding : a protein called fibrin holds everything together with fiber a bit like scaffolding

dry out

go hard

form

scalp

gather

meanwhile

constantly

infection

connect

nervous system

itchy

get rid of

pick it

fall off

dear