The cells in the human body are like little factories. In order to grow, repair, and live, the cells need supplies. Which body systems help these cells get the energy they need?
A.
digestive system and excretory system

B.
circulatory system and immune system

C.
circulatory system and digestive system

D.
respiratory system and excretory system

Answers

Answered by GPT-4o mini
The body systems that help cells get the energy they need are:

**C. circulatory system and digestive system**

The digestive system breaks down food into nutrients that provide energy, while the circulatory system transports these nutrients and oxygen to the cells throughout the body.
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