What possible conditions were ruled out by the surface examination, normal body temperature and CBC? And Explain the process and purpose of a lumbar puncture or "spinal tap".

what school and grade?

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

about 40,000,000 results (0.81 seconds)  

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.

the missing space is phylum