I'm pretty sure it is prevent injury. Stretching doesn't usually build strength or endurance.
Answer:
An aphthous ulcer is an ulcer that forms on the mucous membranes. They are also called aphthae, aphthosis, aphthous stomatitis and canker sores. ... Recurrent aphthous ulcers are mostly a minor nuisance, but they are associated with significant health problems in some people.
Answer:
To give a demonstration of (something, such as a product or procedure), to show how (something) works, is prepared, or is done.
Explanation:
This question does not make sense. If you are positive then you legally have to clarify that you are HIV positive. Please ask questions that are clear and concise. If it is a riddle then please do not put the question into the health category. Thanks.
Call a friend.
Take the bus.
Call for a cab or taxi service.