Breathe in and breathe out. What happens to your chest?
Our lungs are like balloons. As we inhale oxygen, they inflate. As we exhale carbon
dioxide, they deflate. Construct a paper lung and inflate it.
Spot the tiny dots. What do alveoli do as we take in oxygen and breathe out carbon dioxide?
No matter the season, the immune system is always hard at work defending the body against common illnesses and infectious diseases to keep us healthy.
All the systems—nervous, skeletal, respiratory, circulatory, digestive, muscular, urogenital, and immune—are made up of different parts that work to
Have your students bend and (gently!) twist joints to develop a deeper understanding of the skeletal system!
This printable activity includes three pages, prompting students to move their bodies, examine the movement of their different types of joints (hinge, pivotal, ball-and-socket) and illustr