Biological clock. Conceptual computer image depicting human biorhythms,showing the face of a woman during sleep and wakefulness. Processes such as wakefulness and tiredness are based on a daily or circadian (24 hour) cycle regulated by hormones such as melatonin and cortisol | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gifford, David |
Bildgröße: | 3954 px × 4524 px |
Modell-Rechte: | Derzeit liegt noch kein Release vor. Bitte kontaktieren Sie uns vor Verwendung. |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |