Lungs, heart and respiration images
Our lungs, our heart and the rest of our respiratory and circulatory systems are vital for getting oxygen into and around our bodies
Most of the energy we use in our bodies is generated through aerobic respiration, which requires oxygen. Our respiratory and circulatory systems are vital for getting oxygen into and around our bodies, as well as for getting rid of waste products. Take a closer look at these vital body parts in this collection of images.
1. Model of the lower respiratory tract
2. Model of the bronchial tree
3. Normal lung showing blood vessels
4. Alveolus in the lung
5. Alveoli in the lung
6. Blood flow in the human heart
7. Red blood cells
8. Historical drawing of the heart and lungs
Image research by Benjamin Thompson, Chrissie Giles and Natalie Hunter; captions adapted by Chrissie Giles and Natalie Hunter. All of these images are free to use in your classroom.