![Human lungs with scientists inside](/sites/default/files/styles/resource_card_image_360x300_/public/2021-12/human-lungs-with_scientists.jpg?itok=O8jY8B9r)
Just Breathe: Lungs and Asthma
Backgrounders
Learn about asthma and what scientists are doing to study it.
![3D rendering of the human digestive system](/sites/default/files/styles/resource_card_image_360x300_/public/2021-10/human-digestive-system-anatomy.jpg?itok=2hig3KT-)
How Animals Digest Their Food
Backgrounders
Learn about how different animals digest their foods and the organs of their digestive systems.
![3D Illustration of human lungs](/sites/default/files/styles/resource_card_image_360x300_/public/2021-10/Human-lungs.jpg?itok=8tcxai2_)
Respiratory System in Vertebrate Animals
Backgrounders
Learn about how different animals breathe, from fish to humans.
![Anatomical images of different animals](/sites/default/files/styles/resource_card_image_360x300_/public/2021-11/Anatomical%20images%20of%20different%20animals.jpg?itok=Kcp5gaoe)
Musculoskeletal Systems in the Animal Kingdom
Backgrounders
Learn how animals move themselves with the help of their muscles and skeletons.
![3D illustration of a human brain](/sites/default/files/styles/resource_card_image_360x300_/public/2020-04/abstract_image_brain_connections.jpg?itok=pNICKPoz)
Resources on Brains
STEM Explained
Resource page including articles, videos, and career profiles related to brains.
![Doctor pointing to a knee x-ray](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/doctor_pointing_to_xray.jpg?itok=56sDaZM9)
Why a Trip to Outer Space Could Be Bad for Your Bones
STEM Explained
Astronauts can experience bone loss in space. To understand why, you need to know a bit about how bones are formed and maintained in your body.
![How fast does a heart pump blood?](/sites/default/files/2019-08/pexels-stethoscope.jpeg)
How fast does a heart pump blood?
Hands-on Activities
Get active in this activity and explore the impact of exercise on your heart rate. Ready, set, GO!
![How much air do I breathe in?](/sites/default/files/2019-08/How-much-air-do-I-breathe-in.jpg)
How much air do I breathe in?
Hands-on Activities
Learn how to measure lung capacity and about the factors that can affect our lung capacity in this hands on activity.