6 Bilder zum Thema "deoxygenated blood" bei ClipDealer

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Veins
Microscopic View of Human Blood Vessels: Artery and Vein in Detail
Pulmonary artery in an anatomical illustration.
human pulmonary and cardiac system
The lungs are the primary organs of respiration in humans and many other animals including a few fish and some snails. In mammals and most other vertebrates, two lungs are located near the backbone on either side of the heart.
Veins

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