[Solved] What does the word gymnosperm mean? A)covered seed B)covered sperm C)active sperm D)naked seed Myogram: A graphical representation of a muscle's tension or activity level, typically as a response to stimulation. Action Potentials: Electrical signals that are fundamental for the function of neurons and muscle cells, representing rapid changes in membrane potential that propagate along the cell membrane. Depolarization: A decrease in the difference in voltage across a cell's plasma membrane, often leading to action potential in neurons and muscle cells. Neurotransmitters: Chemicals released by neurons that transmit signals across a chemical synapse, such as from a neuron to a muscle.