The ear pinna is strengthened by? by Sunday | Dec 7 | Biology WAEC | 0 comments A. blood pressure. B. cartilage C. bone D. turgor pressure Correct Answer: Option B B. cartilage Users Also Read These:The organ responsible for equalizing air pressure in…The identification method carried out on the part…The factor which enables the ear to distinguish…The chitin in the exoskeleton of many arthropods is…The inner ear contains two main organs, namely, the?