Illustration of a cardiac muscle cell, showing the internal structure, Seen here are myofibrils (red), the nucleus (centre right), a mitochondrion (top) and the banded cell wall. Cardiac muscle is under subconscious control and continuously contracts to pump blood around the body without tiring. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Harris, Roger |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |