Working out doesn't just build muscle but, in later life, helps maintain a powerful cellular machine that repairs damaged ...
Verywell Health on MSN
How each body system works for your health
Medically reviewed by Michael Menna, DO Key Takeaways The circulatory system carries oxygen and nutrients throughout the body and removes waste.The lymphatic system helps fight disease by creating and ...
Repeated exercise, or wasting, can change the way key genes work.
If exercise feels harder than it should, chronic stress may be working against you. Learn how to regulate your physiology so your body can support your fitness goals.
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