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What portion of the cardiac conduction system has the fastest intrinsic rate?
The sinoatrial (SA) node has the fastest intrinsic rate in the cardiac conduction system, typically firing at a rate of 60-100 beats per minute in a healthy heart. It serves as the primary pacemaker of the heart, initiating each heartbeat by generating electrical impulses.
What is electrotonic conduction of a nerve?
Electrotonic conduction, also known as passive conduction, is the passive spread of electrical signals (graded potentials) along the nerve fiber. It occurs without the generation of action potentials and is based on the flow of ions across the neuronal membrane. This type of conduction is important for short-distance signal transmission within a neuron.
What does the cochlea turn the vibrations into?
The cochlea turns vibrations into electrical signals that are then sent to the brain via the auditory nerve. These electrical signals are interpreted by the brain as sound.
Is the the human tissue a conductor or conduction?
Human tissue can act as a conductor of electrical signals, as the body's nervous system uses electrical signaling to transmit information throughout the body. However, the conductivity of human tissue varies depending on factors such as the type of tissue, moisture content, and temperature.
What is an excitable nerve cell that sends electrical signals?
A neuron is an excitable nerve cell that sends electrical signals when stimulated
