Many of the rate controllers mentioned for later walking also affect running. however, because running requires generation of force and ability to balance, considerably changes in these constraints may lead to the disappearance of this skill.

greater, smaller.

Explanation:

Rate controllers are known to holds the emergence of the motor skill. These rate controllers are known to affect the running, walking and motor activites of the individual.

Running generally requires the greater generation of the force for the movement and to balance the ability. The smaller changes are required in these constraints that may cause the disappearance of the running skill.

Thus, the answer is greater, smaller.

answer; polycythemia is the correct answer;