What are the parts of a human body? Learn about the main parts of the human body and what they do. How do humans digest food? From chewing to pooing. Learn how our bodies get what they need from food.

How do humans change during their lifetime? Find out about the different stages of a human life cycle and how we change as we grow up. Find out how the skeleton helps us move and protects some of ...

This human body systems crossword puzzle is a great hands-on activity that makes understanding how our bodies work both engaging and educational.

A genetically modified porcine liver has been successfully transplanted into a human subject, constituting a historic ...