0
The impulse starts in the right atria in the sinus node, then travels through the intratrial fibers for atrial contraction, then travels down to the the av node where it is delayed, then travels down through the bundle branches to the purkinjee fibers to the ventricular myocardium for contraction.
What else can I help you with?
Can a moving object have impulse in itself?
yes moving objects have impulse
What is a similarity between a reflex action and a voluntary action?
Both require motor neurones to carry the nerve impulse to the effector in order for the muscle to contract carry out an action.
Place the following events into the proper order?
Fertilization takes place, Zygote divides, Implantation occurs, Gastrulation begins, and Heart forms.
Identify the order in which these geologic events most probably occured?
most geological events occurs where there is active plate tectonic events
How is heat transferred through the glass wall of a boiling tube?
In liquids and solids, the heat conduction occurs through the valance electrons of the material. When you have a gas, most of the heat is conducted through radiation. When you conduct heat through a vacuum, it's all by radiation.
Why does the heart have the Bundle of His and the Purkinje fibers?
The bundle of His and the Purkinje fibres are part of the conduction system of the heart. In order to pump blood around the body, the heart muscle must contract (atria first to fill the ventricles, then ventricles contract to send the blood around the body.) The conduction system starts in the sinoatrial node (SA node) which is also known as the hearts natural pacemaker and is located at the top of the right atrium. The impulse is then sent to the atrioventricular node (AV node) located by the junction between the atria and ventricles. The next part of the conduction system is the bundle of His which sends the impulse from the atria to the ventricles. The purkinje fibres then spread through the ventricles. As the impulse passes through each part of the conduction system, that part of the heart is excited and the heart muscle contracts, which gives the pumping action of the heart.
What characterizes the normal operation of the heart?
each part contracts in a specific order. Contraction of the muscle is triggered by an electrical impulse. These electrical impulses travel through specialized cells that form a conduction system. Following this pathway ensures that contractions will
What are the elements of the intrinsic conduction system in order beginning with pacemaker?
SAN >internodal pathway> AVN> AV/Hiss bundle> bundle branches> purkinje fibres
Why does the heart pumps when the person is scared?
We have sympathetic and parasympathetic nerves. When we are fightened or scared, sympathetic nerves trigger impulse into the brain in order to release adrenaline. This adrenaline makes the heart beat faster because more oxygen is required. This helps us cope from stress.After a while parasympathetic nerves send impulse to reduce the release of adrenaline and the heart starts beating normally
In what order does an impulse travel through the structures of the neuron?
What_is_the_process_of_a_nervous_impulse_traveling_through_a_neuron
What is the firing order for a 1991 Isuzu impulse?
As with all inline four cylinders, The firing order is 1342.
Receptor touch impluse and stimuli which order do they go in?
touch-stimuli-receptor-impulse
When was Heart of the Order created?
Heart of the Order was created in 1986.
What is a sentence beginning with laugh?
A sentence beginning with laugh is an order.
What is correct order of conduction of air in respiratory system?
the correct order is: pharynx, larynx, trachea, bronchus, bronchioles, alveoli
What causes normal sinus rhythms?
When the presence of all waves is observed in the electrocardiogram, and these waves follow the order defined alphabetically, the heart is said to show a normal sinus rhythm, and impulses may be assumed to be following the regular conduction pathway
What is the order of impulse conduction thru reflex arc?
A reflex is an automatic response, that protects the organism from a harmful stimulus. The receptors detect a stimulus which generates a nerve impulse along the sensory neurone to the Central Nervous System (CNS). The CNS decides the appropiate response to the stimulus. The nerve impulse then travels across a synapse to the relay neurone, across another synapse to the motor neurone to the effector. This is normally a muscle or an organ which moves or responds to bring about a response appropiate to the stimulus.
