Question

with age, muscles can become weaker. this is due to ____________. a. connections between nerves, which cause more pain and therefore less use b. damage from everyday use and injuries that accumulate over time c. disconnections between motor nerves and muscle fibers d. difficulties that occur during muscle growth and repair please select the best answer from the choices provided.

Explanation:

As people age, disconnections between motor nerves and muscle fibers occur, leading to muscle - weakness. Option A is incorrect as it's not mainly about nerve - to - nerve connections causing pain and less use. Option B is not the main reason; while daily damage and injuries contribute, it's not the primary cause of age - related muscle weakness. Option D is not the main factor for age - related muscle weakening as muscle growth and repair difficulties are not the main culprit in aging - related muscle decline.

Answer:

C. disconnections between motor nerves and muscle fibers