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
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brainly.com/question/9058294
Answer:
glands that make hormones
Explanation:
The endocrine system is made up of glands that make hormones. Hormones are the body's chemical messengers. They carry information and instructions from one set of cells to another. The endocrine (pronounced: EN-duh-krin) system influences almost every cell, organ, and function of our bodies.
Can I have brainliest? : )
Answer:
the answer is D) a structure composed of a number of tissues that work together to perform a specific task.
Explanation:
all organs work together to keep us healthy. that's why they're called "organ systems." a system works together!
Answer:
To escape from dangers grasp?
Explanation:
