REM's are associated with dreaming. we spend the longest time in the REM stage. REM sleep is marked by a return to fast, irregular EEG patterns similar to those of stage 1. the brain is so active during REM it looks like the person may be awake
1. Nucleus
2.Different
3. Size
4. Adapted
5. Body
6. Job
7. Better
Sickle Cell Anemia
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Answer:
2. muscular system and cardiovascular system
