When Sarcomeres Shorten,myofibrils Also Shorten

question 4

True/False

When sarcomeres shorten,myofibrils also shorten.

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Definitions:

Agonist

A substance that fully activates the receptor it binds to, producing a full biological response.

Antagonist

In physiology, a muscle that acts in opposition to the action of another muscle, called the agonist; in pharmacology, a substance that inhibits the action of another substance.

Neuromodulator

A neuromodulator is a substance in the nervous system that modifies the functions of neurons, influencing how signals are transmitted across synapses.

Neurotransmitter

Chemical substances that transmit signals from one neuron to another across synapses, playing key roles in the functioning of the nervous system.