How Does the Respiratory System Contribute to Osteoporosis

question 51

Multiple Choice

How does the respiratory system contribute to osteoporosis?

• A) Lack of exposure to sunlight reduces vitamin D production and decreases calcium absorption.
• B) Immune cells resist infections and release chemicals that promote tissue repair.
• C) Excessive smoking lowers estrogen levels, which increases bone loss.
• D) Calcium ions released from the bones are excreted.
• E) Decreased estrogen levels following menopause contribute to the disease.

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