The male voice tends to be in a lower range than a female's voice because men have:
a. shorter and fatter vestibular ligaments
b. more air to push through the rima glottidis
c. more taut vestibular folds
d. longer and thicker vocal folds e) wider arytenoid cartilages

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.