Engines with increased horsepower
Answer:Ghrelin
Explanation:it is a hormone produced in the stomach and other parts of the gastrointestinal tract that encourage the intake of food
The 70.3 refers to the total of distance in miles (113.0KM) covered in the race,consisting of a 1.2-mile (1.9 KM) swim,a 56-mile (90km) bike ride,and a 13.1- mile (21.1 KM) run.each distance of swim,bike,run segments if half the distance of that segment in an ironman triathlon