The body constantly produces sperm and re absorbs the unused sperm as nutrients. To produce more just keep you body heathy by eating correctly.
Vaccines stimulate production of antibodies.
erythropoitin secreted from kidneys stimulate rbc production.
Hyperventilating
glucagon
No.
production of male hormone testosterone; and production of sperm
yes.
stimulate the production of acetylcholine
High levels of the hormone oestrogen stimulates the production of FSH hormone in women.
Histamines.
Macrophages stimulate the production of other lymphocytes. They are produced by the differentiation of monocytes in tissues.
Tumors or growths in the ovaries or other reproductive organs in women, or in the testicles or related sexual organs of men, can also stimulate the production of prolactin.