機器
abrasion
accident
aid
background
bleeding
blood
body
bruise
care
caucasian
closeup
concept
crush
cut
effect
emergency
fixation
fracture
fresh
health
healthy
hospital
hurt
injury
isolated
knee
knife
leg
macro
medical
medicine
open
pain
painful
patient
pattern
people
person
red
scab
scar
scratch
skin
space
tissue
treat
white
wound
wounds