What Are the Four Major Types of Tissues

question 41

Essay

What are the four major types of tissues?

---

Definitions:

Action Potential

A rapid rise and fall in electrical potential across a cell's membrane, enabling the transmission of signals along neurons.

Threshold Level

The minimum level of stimulus intensity required to activate a neuron or to trigger a specific physiological response.

Repolarization Phase

Phase of the action potential in which the membrane potential moves from its maximum degree of depolarization toward the value of the resting membrane potential.

Voltage-gated Ion Channels

Proteins embedded in cell membranes that open or close in response to changes in membrane potential, crucial for the propagation of nerve impulses.