Nurturing Life Sciences
#Id: 9661
#Id: 9865
#Unit 6. System Physiology – Plant
#Id: 1766
#Unit 4. Cell Communication and Cell Signaling
#Id: 6652
#Unit 8. Inheritance Biology
#Id: 8253
#Unit 1. Molecules and their Interaction Relevant to Biology
#Id: 4012
#Unit 7. System Physiology – Animal
The inherent leakiness of the sinus nodal fibers to sodium and calcium ions causes their self-excitation.