Something that is modern and recently developed is _______
Advanced
Scientists want to learn more about the _____ of humans.
Origin
I _____ it is important to take care of our family.
Believe
Explorers often _____ interesting things in caves.
Discover
The shape of human _____ has changed over time.
Skull
Giving or ready to give help.
Helpful
A person who is fully grown
Adult
We study ancient ________ to learn about life long ago.
Civilizations
There are more than two hundred ____ in the human body.
bones