How Do the Lymphatic and Immune Systems Contribute to Osteoporosis

question 125

Multiple Choice

How do the lymphatic and immune systems 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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Definitions:

Light Sensitive

Having a heightened responsiveness or susceptibility to the effects of light.

Retina

At the eye's back, there's a sheet of light-sensitive cells that start nerve responses, traveling through the optic nerve to the brain, where they result in the formation of a visual picture.

Retina

The light-sensitive layer of tissue at the back of the inner eye, responsible for converting light into neural signals for visual recognition.

Lens

A transparent structure in the eye that focuses light onto the retina to produce clear images.