What are the functions of cartilage in your skeletal system?

Lina went camping in the woods. while camping, she accidentally touched a strange plant. her hand immediately started itching, and her skin erupted in hives. after she got home, her grandmother cooked some oatmeal, wrapped it in a cloth, and put it on lina’s affected hand. lina’s grandmother followed a traditional remedy.

What is the function of the retina?

Which of these gives the best indication that a health service is based on pseudoscience?