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:
brainly.com/question/9058294
Answer:
you are afraid of something
Explanation:
its physcologically proven that eye twitching is a sign that one knows that someone knows something bad is gonna happen and they are afraid to face it coz they think they are tough
Socialization of children is important because it sets the groundwork for all future socialization.
An esophagus, a trachea, lungs, liver, spleen, heart, stomach, small intestine and a colon!
Plz thank me and give me brainliest answer!