It is formed by the vertebral column, ribs, and sternum and encloses the heart and lungs. In humans, the rib cage, also known as the thoracic cage, is a bony and cartilaginous structure which surrounds the thoracic cavity and supports the pectoral girdle (shoulder girdle), forming a core portion of the human skeleton.n humans, the rib cage, also known as the thoracic cage, is a bony and cartilaginous structure which surrounds the thoracic cavity and supports the pectoral girdle (shoulder girdle), forming a core portion of the human skeleton.
Kerbal Space Program. Kerbal Space Program (KSP) is a space flight simulation video game developed and published by Squad for Microsoft Windows, OS X, Linux, PlayStation 4, Xbox One, and will be made available on Wii U at a later date. In the game, players direct a nascent space program, staffed and crewed by humanoid aliens known as Kerbals.
CTP: Comprehensive Testing Program. Grades 1 â 11. The Comprehensive Testing Program (CTP) is a rigorous assessment for high achieving students in areas such as reading, listening, vocabulary, writing, science (online only) and mathematics. Verbal and quantitative reasoning subtests are part of the CTP beginning in Grade 3.