How many electrons are there in a neutral atom of 
?
Definitions:
Smooth Muscle Relaxation
The process by which smooth muscles (found in the walls of internal organs and blood vessels) relax, leading to dilation of blood vessels and decreased resistance to blood flow.
B cells
A type of white blood cell that produces antibodies to help fight infections.
Immunodeficiency
A state where the immune system's ability to fight infectious disease and cancer is compromised or entirely absent.
Antibody Formation
The process by which the immune system produces antibodies in response to and recognizing antigens, providing immunity against infections.
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