The pharynx is what allows this process to happen
Vitamin A deficiency is the leading cause of preventable blindness in children and increases the risk of disease and death from severe infections such as diarrhoeal disease and measles.
Heart palpitations, Heart rhythm abnormalities, Weight loss, Tremors, and Mild high blood pressure
Participating in extreme sports can help your cardiovascular system work properly and better because extreme sports usually are very taxing in terms of being an aerobic sport which also puts a lot of burden on the aerobic system. Another benefit would be not so health-related but more personal; doing extreme sports and being close to death - which can hppen - makes one more appreciative and aware of life and death.
The person’s ability to do certain things like if they were raised in a abusive house they might have had to not show emotion so they might cause a conflict for not showing a certain emotion depending on the situation.