Appetite is not linked to hunger since appetite is the activity and drive in order to eat whereas hunger is the physical and mental state in which a person needs to eat.
Also appetite is linked to many unhealthy behaviors that can result to other symptoms of eating disorders which causes deletrious effects on one's mental and biological state.
Answer: The frequency at which new species emerge and are lost over evolutionary time is established by the rates of speciation and extinction.
<span><span>- advanced degree
</span>Sports physicians have to perform
complex diagnoses of injuries and problems. They also may be required to
perform surgery during the course of treatment. These responsibilities
require extensive knowledge and practice.</span>
<span>I think you may be explaining Myocardial ischemia.
This occurs when the blood going to your is reduced or stopped which prevents oxygen from traveling into your heart. Whenever your heart stops getting blood the mussels begin to deteriorate. This normally happens from coronary arteries aka blockages in your arteries.
</span>I hope this helps. :)