arteriosclerosis
artery
atherosclerosis
atrium
blood
blood pressure
capillary
cardiovascular disease
closed circulatory system
coronary artery
diaphragm
diastolic pressure
erythrocytes
gills
heart
heart murmur
hematocrit
hemoglobin
hemolymph
hypertension
hypotension
interstitial fluid
lamella
leukocytes
lungs
lymph
lymph node
open circulatory system
pathogen
plasma
platelet
pulmonary circuit
red blood cells
stem cells
systemic circuit
systolic pressure
vein
ventricle
white blood cells
Blood vessels. This photo was made by injecting resin into blood vessels in connective tissue, followed by chemical digestion of the tissue surrounding the vessels. Magnification: ×125.
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