CNS consists of brain and spinal cord.

PNS consists of nerves that connect CNS to the rest of the body and external environment.

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The hidden benefits of exercising on the internal system

Body Systems in Motion: How Exercise Can Positively Shape Your Physiology The Impact of Exercise on Body Systems: SKELETAL SYSTEM : Exercise has a positive impact on the skeletal system. When mechanical stress is applied to bones, they respond by improving their...

Ingestion – eating

Digestion – breakdown of food

Absorption – extraction of nutrients from food

Defecation – removing the waste products

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