The Force a Motor Unit Exerts Depends on the Rate

question 30

True/False

The force a motor unit exerts depends on the rate at which the somatic motor neuron discharges action potentials because calcium is released from the sarcoplasmic reticulum faster than it is pumped back by the Ca²⁺-ATPase pump.

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Definitions:

Parallel Play

A developmental stage of play in which young children play adjacent to each other but do not directly interact.

Onlooker Play

Action in which children simply watch others at play but do not actually participate themselves.

Functional Play

Play activity that involves simple, repetitive movements with or without objects, common in young children and contributing to their physical development.

Associative Play

A stage of play where children engage in separate activities but interact by sharing materials and communicating with each other.