Answer
Neisseria gonorrhoeae, Streptococcus pneumoniae and Neisseria meningitidis cause these diseases in the human respectivily
Step-by-step explanation
Gonorrhea is the disease which is caused by the bacteria Neisseria gonorrhoeae and infects on urethra, cervix, rectum and throat.
In the Meningitis disease, caused by Neisseria meningitidis, infect at the protective cover of the brain and spinal cord.
In Pneumonia disease, Streptococcus pneumoniae release toxins which infect the air track, lungs and cause inflammation in air sacs.