Question

Explain how having more red blood cells is an advantage to athletes who take part in lon gdistance races

Answer 1

More oxyhaemoglobin= more o2= more respiration=more energy. long distance runners aerobically respire, so oxygen is very important.

Answer 2

Answer:

more oxygen; haemoglobin; muscles; respiration;

(less) anaerobic respiration;

(less) lactic acid / (less) oxygen debt /(less) fatigue / (less) cramp;

more energy;

run faster / run longer / run further / less tired / eq;