Human skeleton

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/human-skeleton

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 heavy is Human skeleton?Around 14%
2. What is the initial bone count at birth?Approximately 270
3. What is the adult bone count?Approximately 206
4. How many bones do babies have compared to adults?Babies are born with about 270 bones, but many fuse together as they grow, so adults usually have 206 bones.
5. What parts make up the human skeleton?The skeleton is split into two parts: the axial skeleton (skull, spine, ribs) that keeps us upright, and the appendicular skeleton (arms, legs, shoulder and hip bones) that lets us move.

Endochondral Ossification: The process by which cartilage is gradually replaced by bone during development.
Hematopoiesis: The process of creating new blood cells, occurring primarily in bone marrow.
Osteocalcin: A hormone produced by bone cells that influences glucose metabolism and bone mineralization.
Baculum: A bone found in the penis of many mammal species, absent in humans.