[Solved] During concussion (a type of traumatic brain injury) the brain will move within the cranial cavity. Damage is caused to the brain as it crashes into parts of the bony cavity walls. Ironically one of the bone markings that can cause serious damage to the brain is the ________. This is ironic because one of the functions of this bone marking is to ________. A) perpendicular plate; separate the left and right halves of the nasal cavity B) pterygoid processes; anchor important chewing muscles C) crista galli; attach to the dura matter holding the brain in place D) styloid process; attach to and support the hyoid bone Precocious Puberty: The onset of puberty occurring at an unusually early age, often defined as before 8 in girls and before 9 in boys. Sexual Activity: Behaviors associated with the expression of sexuality and erotic desire, including intercourse and other forms of physical intimacy between individuals. Adolescence: The transitional stage of physical and psychological development that generally occurs during the period from puberty to legal adulthood. Homosexual Orientation: A sexual orientation characterized by a romantic or sexual attraction to individuals of the same sex.