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:
I think the answer is <em>D or A</em>
Explanation:
The answer to this question is broccoli. Broccoli can help a person to have a long life. Broccoli is included to the cabbage family and the benefits of eating broccoli can lower blood pressure, provides good bone health, can detoxify blood, improves fertility, and can increase metabolism. Also in order to strengthen brittle bones, vitamin K is needed of the body which is in broccoli.