I think it’s 2.They allow people to avoid experiencing sadness.
Answer:
The activity that is not a way to prevent bursitis is drinking water (option D).
Explanation:
Bursitis corresponds to the inflammation of the articular bursa, a fluid-filled saccular structure that prevents friction of the bones in the joint. It is a very common condition in the shoulder and elbow.
Measures to prevent bursitis include resting the joint —taking breaks— protecting the affected area, and applying physical measures, such as warmth.
Hydration through the consumption of water is not a useful measure for the effective prevention of bursitis.
<em>The reason why the other options do not correspond to a valid answer has been explained in the text.</em>
Answer: In the mouth and pharynx, it consists of skeletal muscle that aids in swallowing.In the rest of the digestive tract, it consists of smooth muscle three layers in the stomach two layers in the small large intestines and associated nerve fibers.
<em>1. Some tumors are benign, which means they form in only one spot without spreading to surrounding tissue. Malignant tumors are cancerous and can spread to nearby tissue.</em>
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<em>2. A benign tumor is not a malignant tumor, which is cancer. It does not invade nearby tissue or spread to other parts of the body the way cancer can. In most cases, the outlook with benign tumors is very good. But benign tumors can be serious if they press on vital structures such as blood vessels or nerves.</em>
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<em>3. Although some tumors are benign and consist of noncancerous cells, others are malignant. Malignant tumors are cancerous, and the cells can spread to other parts of the body.</em>
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<em>4. Malignant tumors are cancerous (ie, they invade other sites). They spread to distant sites via the bloodstream or the lymphatic system. This spread is called metastasis.</em>
D. Not touching your mouth, nose or eyes
