Cell depolarization, or membrane depolarization, is a process that shifts the electrical charge distribution so that the cell is less negatively charged compared to the environment.

Get an overview of cell depolarization in our informative video lesson. Learn its properties and how it differs from repolarization, then take a quiz to review.

Learn about action potential and how to draw an action potential graph with depolarization and repolarization points. Understand what happens during depolarization.

Polarization in Neurons: At rest, a typical neuron has a resting membrane potential of approximately -70 mV. The term depolarization refers to a change in the neuronal membrane …

Learn about the neuron diagram, structure, and function. Discover and discuss the meaning of dendrites, axon, membrane polarization, membrane depolarization, and synapses.

Choose the correct answer: According to an ECG of the heart, the T-wave represents what electrical event of (a) Ventricular Depolarization (b) Ventricular Repolarization (c) Atrial …

Learn about the relative refractory period in a neuron. Understand the steps of generating an action potential and why the refractory period is important.

Depolarization occurs because is moving into the cell until is reached. a) K+; end plate potential b) Na+; end plate potential c) K+; resting membrane potential d) Na+; resting membrane …

In the cardiac cycle, atrial contraction is followed by ventricular contraction. Answer and Explanation: 1 The correct answer is d. Ventricular depolarization occurs after atrial …

Explore the different types of summation in biology. Learn the definition of summation. Discover the differences between spatial summation and temporal summation.