Which of the following occur to the respiratory system as an individual ages?

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All of the given options occur to the respiratory system as an individual ages. Loss of elasticity in the tissues of the respiratory system causes difficulty in expanding and contracting the lungs. Bronchioles become less able to stretch and contract, leading to reduced air flow in and out of the lungs. Decreased ability to acquire and deliver oxygen to the blood is due to reduced surface area available for gas exchange. Cartilage in the trachea undergoes progressive calcification, which can cause narrowing of the airway, leading to wheezing and shortness of breath.

Which of the Following Occur to the Respiratory System as an Individual