Heartbeat and blood flow through an Eastern Red Back Salamander
9 years ago
207
If you look very closely you can see the heartbeat through the semi-transparent skin of this amphibian. Look closer still and you can see the blood flow through the rest of the circulatory system. This is particularly apparent when looking at the foot. Look for the vein structure in the rest of the body. Credit to 'Macropod'.
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