Examlex
The ground state electronic configuration of Zn2+ is
Hormone
A chemical substance produced in the body that regulates and controls the activity of certain cells or organs.
Bloodstream
The flowing body fluid that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.
Antagonist
A substance or character that opposes or inhibits the action of another in a particular situation or story.
Neurotransmitter
A neurotransmitter is a chemical substance that transmits signals across a synapse from one neuron to another in the nervous system.
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