A look at the human heart: ACLS certification & recertification

Ahmed Raza

Written by , a practical nurse since 2005 with experience in ICU, cardiac care, and case management. She is pursuing her MSN for Family Nurse Practitioner and is a former Military Medic with the Louisiana National Guard.

Take a moment and place your hand over your heart. Can you feel it beating? The human heart is an incredible organ that plays a vital role in how your body works. It works like a pump which pushes life-giving blood through your body. The heart is the center of the circulatory system which feeds oxygenated blood, deoxygenated blood and nutrients to vital organs and muscle tissue throughout your body; it also helps to carry carbon dioxide and waste out of the body by way of the respiratory system and kidneys. To find out more about your heart and the work it does, see the links below for fun and engaging educational games and lesson plans for children.

Games

Lesson plans

For advanced topics, get into dopamine antagonists, epinephrine, and some of the cardiac topics from any ACLS online renewal course.

See also our study guide for other body systems. Get certified through our 100% online course. Our courses are accepted in North America and internationally.

Test your knowledge

Question 1. What is the primary function of the heart in the circulatory system?
Question 2. Which type of blood does the circulatory system feed to vital organs and muscle tissue?
Question 3. Which resource is mentioned for learning about how much sugar, salt, or oil is hiding in popular food items?
Question 4. According to the article, what is the purpose of the "Label the Heart" game found on Scratch?
Question 5. What type of advanced topics are mentioned for an ACLS online renewal course?

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How we reviewed this article

Our experts continually monitor the medical science space, and we update our articles when new information becomes available.

Current version
Sep 17, 2025
Dec 26, 2020

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Changes: Updated cardiac anatomy and physiology information
Jun 7, 2020