Which best describes carbon dioxide’s path out of the body?

nose → pharynx → larynx → trachea → bronchus → alveoli
alveoli → trachea → bronchus → larynx → pharynx → nose
alveoli → bronchus → trachea → larynx → pharynx → nose
nose → larynx → pharynx → trachea → bronchus → alveoli

alveoli → bronchus → trachea → larynx → pharynx → nose

Explanation:

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.