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Human Body Systems
| Term | Definition |
|---|---|
| What is the function of red blood cells? | Carry oxygen using hemoglobin. |
| What is the function of the respiratory system? | Exchange gases (O₂ in, CO₂ out). |
| What is the main function of the digestive system? | Break down food and absorb nutrients. |
| What is the function of the nervous system? | Send and receive electrical signals to coordinate body functions. |
| What is the function of the immune system? | Protect the body from pathogens and disease. |
| What is the function of the endocrine system? | Produce hormones to regulate body processes. |