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healthy (circulatory system (white blood cells, carry oxygen, red blood…
healthy
circulatory system
white blood cells
carry oxygen
red blood cells
clotted blood
blood
ventricals
vlaves
cappilaries
atria
vwins
immune system
white blood cells
pathogens
lymphocytes
phagocytes
respiratory system
lungs
bronchiels
bronchi
alveolar
trachea
the skeletal system
muscles
bones