B cells produce antigen
t cell are helper,killer,memory cells
they hold memory of pathogens i the system
Mammalia (mammals) have hair or fur and produce milk
The subatomic particles of protons and neutrons are found in the nucleus of an atom. Protons are particles with a positive charge, while neutrons have no charge. Electrons, which have a negative charge, are particles that can found orbiting outside the nucleus of an atom.
Answer:
Nucleus
Explanation:
The nucleus stores hereditart material and coordinates activities of the cell
