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:
True
<h2>How does grief affect your health?</h2>
You are more prone to getting the flu and colds while you are mourning because your immune system is compromised. But more than that, the strain of grieving can cause shingles for some people and severe physical problems for others. Many people overlook things because they have been caring for a dying spouse for months or years while neglecting their own medical checkups.
Clinical studies have shown that a shattered heart can cause death.
Answer:
Eighth week of pregnancy
Explanation:
At the end of the 8th week after fertilization (10 weeks of pregnancy), the embryo is considered a fetus.