The organelles in a cell that are involved in production and release of protein into the bloodstream are:
nucleus
ribosomes
Rough endoplasmic reticulum
Golgi apparatus
Secretory vesicles
The nucleus carries the blueprint for the synthesis of proteins.
The ribosomes are the protein forming factories of the cell.
The rough endoplasmic reticulum is responsible for synthesis of proteins for export out of the cell.
The golgi apparatus is responsible for protein modification and its export.
Secretory vesicles export the protein out of the cell through exocytosis.