Students begin their investigation of the human body by observing cell structure and learning the differences between a plant cell and an animal cell. They then observe slides of human tissues. They relate the structure of a body system to its function and consider how systems work together.

Student Resources

• 1.1 Vocabulary
• 1.2 Parts of a Cell
• 1.3 What Do Cells Look Like?
• 1.4 Digestive System
• 1.5 Circulatory System
• 1.6 Respiratory and Excretory Systems
• 1.7 Nervous System
• 1.8 Muscular and Skeletal Systems
• 1.9 Section 1 Assessment

Learn by Reading

For additional content-area reading, check out the Houghton Mifflin Science eBook: Grade 5, Unit A, pages 6–10 and 32–33.