Hancock Aortic Tissue Valve

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/hancock-aortic-tissue-valve

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 valve type?Bioprosthetic aortic valve
2. What is the tissue source?Chemically treated porcine (pig) aortic valve tissue
3. How does the Hancock valve help the heart?It lets blood flow only from the left ventricle into the aorta, opening and closing like a door to keep the heart working smoothly.
4. Why do doctors use the Hancock valve instead of a mechanical valve?It does not need lifelong blood thinners, so people who cannot take those medicines can still have a safe valve.

Aortic Annulus: The fibrous ring in the heart where the aortic valve is anchored.
Ventricular Systole: The phase of the cardiac cycle when the heart's ventricles contract and pump blood out.
Thrombogenic: Having the tendency to cause blood clots to form.