Breathe In Breathe Out

Each day in your life you breathe in and out approximately 20,000 times, usually without thinking about it. Here is a chance to discover how breathing works.

Grades covered: 4 through 8
Curriculum Topics: Anatomy, Heath, Lung structure & Function, Air Pressure


Idea Sheets are cross-referenced to subjects listed in the Common Core, Next Generation Science Standards, and California Content Standards.

Common Standards Click to View

Construct an argument that plants and animals have internal and external structures that function to support survival, growth, behavior, and reproduction. ||Next Generation Science Standards||Grade 4||Life Science||From Molecules to Organisms: Structures and Processes |||Use argument supported by evidence for how the body is a system of interacting subsystems composed of groups of cells. [Emphasis: understanding that cells form tissues & tissues form specialized organs.] ||Next Generation Science Standards||Middle School||Life Science||From Molecules to Organisms: Structures and Processes

California Standards (Click to View)

2.b. How blood circulates through the heart chambers, lungs, and body, and how carbon dioxide (CO2) and oxygen (O2) are exchanged in the lungs and tissues.||CA Science||Grade 5||02. Life Sciences||2. Plants and animals have structures for respiration, digestion, waste disposal, and transport of materials.

Categories include:
  • Life Science
  • Grades 3-5
  • Grades 6-8
  • Science
Tags: Structure & Function
Subjects covered: Life Science