− | The vital role of calcium relates to its key roles in numerous enzymatic reactions such as in '''coagulation, as a cell-signalling molecule, ligand for cell membrane transport, nerve conduction, neuromuscular transmission, muscle contraction, vascular muscle tone, hormone secretion, cell growth and division''' and for '''bone formation'''. | + | The vital role of calcium relates to its key roles in numerous enzymatic reactions such as in '''coagulation, as a cell-signalling molecule, ligand for cell membrane transport, [[Neurons - Anatomy & Physiology#Nerve Impulse Propagation|nerve conduction]], [[Neurons - Anatomy & Physiology#Neuromuscular Synapses|neuromuscular transmission]], [[Muscles - Anatomy & Physiology#Neurogenic Contraction|muscle contraction]], vascular muscle tone, [[Hormones - Anatomy & Physiology|hormone]] secretion, cell growth and division''' and for [[Bone & Cartilage Development - Anatomy & Physiology|'''bone formation''']]. |