Neurons and caffeine molecules, illustration. The stimulant drug caffeine (shown here as molecular models) is found in numerous beverages, such as tea and coffee. Caffeine is a bitter, white alkaloid that acts as a stimulant to the central nervous system, represented here by nerve cells (neurons, green and blue). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Ella Maru Studio |
Bildgröße: | 7241 px × 4827 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |