Answer: B
Explanation: Aphthous ulcers are white, round, or oval lesions surrounded by a red halo that appear on the buccal mucosa.
Physical health, mental health, and social health
<span>Its most likely that the student might get in trouble. Then, the status update will provide evidence against him in an academic investigation.
:)</span>
Pernicious Anemia occurs when there is a deficiency of Vitamin B-12.
The patient may have an healthy amount of B-12 in their system, but the parietal cells in their body have been destroyed by an autoimmune disease. Because of that, the body cannot absorb the vitamin, so it never gets to the cells.
