Pulse Transit Time Measured by Photoplethysmography Improves the Accuracy of Heart Rate as a Surrogate Measure of Cardiac Output, Stroke Volume and Oxygen Uptake in Response to Graded Exercise
Northrop Grumman CRS-15
Northrop Grumman CRS-15 successfully launched from Wallops Island, VA, on Feb. 21, 2021, loaded with approximately 8,000 pounds of research and supplies that included multiple investigations from the ISS National Lab.
We know many students are learning at home right now, and hands-on activities are especially important to keep students engaged and learning. Our network of ISS partners has pulled together dozens of no-cost activities for the whole family. After all, we are all in this together.
