Heat exchange in duck's foot. Computer illustration showing how warm blood from a waterbird's body is mixed with cold blood in its feet in order to keep the feet warm,even in cold water | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Lunau, Claus |
Bildgröße: | 4314 px × 5315 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |