Questions with the keyword 'heart rate'
- Why does your heart rate increase when you are scared or panic? by kamilo12 and 2 others. to David, Jonathan, Ou, Pete, Sam, Mus, Tess, Yue Comments: (So far, one comment )
- What is the main reason for opening and closing the heart valves, pressure or electrical activity? by spacenut to David, Mus, Tess, Yue Comments: (So far, one comment )