The sa node <u>spontaneously</u> fires at regular intervals.
<h3>What is SA node?</h3>
SA node; an accronym for sinoatrial node is a mass of specialized issue situated in the heart; specifically in the right upper chamber of the heart.
This sinoatrial node help the heart generates electrical stimulus regularly usually between 60 to 100 times per every minutes
<h3>What is heart?</h3>
The heart is a muscular organ and the only organ in the known which helps to pump blood to various parts of the body
- Helps in the mentenance of blood pressure
- It helps to pump oxygenated blood
- It helps to transfer hormones
- Helps to receive deoxygenated blood as well
Learn more about SA node of the heart:
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Mouth: oesophagus: stomach: small intestine: large intestine
Sympathomimetic agents. Sympathomimetic agents stimulate the sympathetic nervous system by prompting the neuronal release or mimicking the effects of epinephrine, norepinephrine, and other catecholamines
A- people get online and have a sort of shield which makes them feel protected but the internet is more exposing and can harm others and yourself if you get out of line and say something you wouldn’t online
D Type. He is changing the type of activity he is doing for his bike-riding routine.