Search Results
Showing results 1 to 2 of 2
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-226.jpg?itok=CusIxsLS)
Go with the Flow
Source Institutions
In this activity, learners discover how hard their hearts work to pump blood.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-694.jpg?itok=Po00gpPw)
Stethoscope
Source Institutions
Make a copy of the first stethoscope with only a cardboard tube! René Laennec invented the first stethoscope in 1819 using an actual paper tube!