| | Conditions Treatments | Bones, Joints Muscles How many pairs of ribs in adult human? In an adult human, there are 24 ribs in total. They are arranged in 12 pairs, with each pair of ribs connecting the thoracic vertebrae to the sternum or the breastbone. Bones, Joints Muscles - Related Articles Grapefruit Sized Fibroid & Treatment How to help your tired teen Antiretroviral History Diets for RA How can you differentiate withdrawal bleed from emergency contraceptive than that of normal period? How to Tell If You Have a Gadolinium Problem Could a man be impotent after vasectomy abnormally?