Use this lesson to see how animals can have very interesting relationships. Some help each other, some benefit from others, and some hurt others. Young scientists are sure to benefit from this eye-opening lesson.

Show your students the parts that work together to make a person breath! Have them compare the lungs of a healthy person, the lungs of a smoker, the lungs of a city resident, and the lungs of a miner.

In this lesson, students will learn the word 'animation' and create an animated figure in a flip book.

Let's learn about the human body. Students will enjoy discovering different connective tissues in this comprehensive science lesson.