Could you be an astronaut? By now, you should appreciate that there is much involved in astronaut training and health. You should also realise that your heart rate and respiration is a good indication of how healthy you are.
You can explore this now in the second practical experiment of this course.
OpenLearn - Microgravity: living on the International Space Station
Except for third party materials and otherwise, this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence, full copyright detail can be found in the acknowledgements section. Please see full copyright statement for details.