Across
- 2. The “thinking” organ
- 4. A tool used to listen to heartbeats
- 6. Largest part of the brain responsible for thinking and memory
- 8. Protein in red blood cells that carries oxygen
Down
- 1. Organ that beats nonstop in your chest
- 3. Basic cell of the nervous system that sends electrical signals
- 5. Bones make up this frame of the body
- 7. Protective gear worn on face during surgery