Count your heartbeats and breaths
Reviewed 12/13/2024
Sources
- MedlinePlus. "Lung Diseases." https://medlineplus.gov/lungdiseases.html.
- MedlinePlus. "Rapid Shallow Breathing." https://medlineplus.gov/ency/article/007198.htm.
- NOVA. "Amazing Heart Facts." https://www.pbs.org/wgbh/nova/heart/heartfacts.html.
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