英文關鍵字
alveoli
anatomy
artery
bacteria
beautiful
beauty
blood
bloodstream
bronchi
bronchioles
cardiovascular
care
cells
contaminated
diaphragm
disease
ebola
epidemic
ethrnoid
global
health
heart
hemoglobin
human
illustration
immune
infection
infections
injection
inside
lungs
macro
medical
medicine
microscopic
organic
organism
people
pleura
red
science
sinuses
skin
syringe
system
throat
trachea
vein
vessels
virus
viruses