Harriet Tubman

In social study I have been learning about the slave trade. This is a research task we look up about Harriet Tubman. he helped hundreds of enslaved people gain freedom trough using an underground tunnel system.

Human body

How are bones made in the human body?

There are two different types of how bones grow, compact bones and cancallous bones. Compact bones make up to 80% of the skeleton. Cancallous bone make parts of the skull, Shoulder blades and ends of the big bones. When we are first born our bones are embryonic. Then they are slowly formed into bones.