Rectum

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/rectum

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. How long is Rectum?Approximately 12 centimeters (4.7 inches)
2. What is the scientific name?Rectum
3. What is the key anatomical feature?Rectal ampulla, a dilated terminal portion serving as a storage reservoir
4. What is the rectum and where is it in the body?The rectum is the final straight part of the large intestine, about 12 centimeters long. It sits where the sigmoid colon ends and leads to the anus. It stores waste until we’re ready to go.
5. Why does the rectum have a special shape?Its straight shape and smooth muscle walls let it hold poop safely. This design also helps us control when to let it out, keeping us clean and healthy.

Rectosigmoid Junction: The anatomical point where the sigmoid colon transitions into the rectum.
Anorectal Ring: A muscular structure marking the junction between the rectum and the anal canal.
Defecation Reflex: The involuntary and voluntary physiological response leading to the expulsion of feces.