Cardiopulmonary bypass

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/cardiopulmonary-bypass

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the primary application?Facilitates open-heart surgery by providing a still, bloodless surgical field
2. What is the key physiological role?Maintains systemic oxygenation and perfusion during cardiac arrest or manipulation
3. Why do doctors use a heart‑lung machine during heart surgery?It lets surgeons stop the heart and work on a still, bloodless heart, making complex repairs safer.
4. How does the heart‑lung machine keep blood oxygenated?Blood is pumped through an oxygenator that mimics lung membranes, adding oxygen and removing carbon dioxide before it returns to the body.

Extracorporeal Circulation: Circulation of blood outside the body by mechanical means.
Cardioplegia: A solution used to temporarily stop the heart's electrical activity during surgery.
Systemic Inflammatory Response Syndrome (SIRS): A potentially life-threatening condition caused by the body's overwhelming inflammatory response.