Question

explain the role of calcium in biological system​

Answer 1

Calcium ions (Ca2+) contribute to the physiology and biochemistry of organisms cell. They play an important role in signal transduction pathways, where they act as a second messenger, in neurotransmitter release from neurons, in contraction of all muscle cell types, and in fertilization.

Answer 2

They play an important role in signal transduction pathways , where they act as a second messenger , in neurotransmitters release from neurons in contraction of all muscle cell types and in fertilization .

Hope it was helpful

Mark as Brainlist