This high quality 24 part dual sex torso with open back fully represents the anatomy of the complete human upper body. The life-size cut away spine showing the vertebral column spinal cord with nerve endings supports the head with nasal and buccal cavity half brain and eye with optic nerve.Removable parts include:Female breast with rib insertionsheart in 2 parts2-lung halvesliver with gall bladder2-part stomachlarge and small intestines with appendix flap opening and coverhalf of kidney7th dorsal vertebraMale genital organs in 4-partsFemale genital organs in 2-parts (with embryo in the 3rd month of pregnancy) Mounted on a baseIncludes key cardDimensions: 380mm x 240mm x 890mm Weight: 7.5 kg