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 part of the ear which contains nerve cells…The part of the mammalian ear responsible for the…Which part of the ear is responsible for the…The following parts of the ear are involved in…The part of the ear which equalizes air pressure on…