In the legs, they all got back onto the bus and made there way to the nasal cavity.

From the spine, they travel down to the legs. The spine is what keeps our bodies upright. They exited the brain by sliding down the spine. The brain is full of nerve cells that are constantly sending messages to every body part we have. From the heart, they travel to the lungs. They learn all about the chambers of the heart. They travel through the blood vessels all the way to the heart. Next, comes the small intestine that are lined with blood vessels. In the stomach, the class learns all about the digestion track. First, they travel down the esophagus and land in his stomach. They end up being eaten by somebody in their class and travel all through his body. She pushes a button in the bus and the bus and the class start shrinking and spinning very quickly. Frizzle decides to take the class on another field trip. The next day, the class goes on a field trip to the science center to learn all about the human body. Frizzle is the weirdest teacher at school and her lessons can be weird. Frizzle's class learning about the human body. There are true facts in the books but it is also impossible to have the adventures that the class have.There are books about entering a human body, traveling through the solar system, visiting inside a beehive, and traveling back in time to see the dinosaurs, just to name a few. The second non-fiction book I chose to review was The Magic School Bus Inside the Human Body by Joanna Cole.The Magic School Bus series are science fiction books.