1 meter per second

150 meters per second

1 foot per second

100 miles per hour

hormonal

electrical impulses

proteins

telegraph

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

100 years

10 years

1 year

1 month

all of the above

brains

a nerve

spinal cord

the brain

nerve

muscle

wire

skin cells

stem cells

muscle cells

liver cells

muscle cells

prison cells

stem cells

glial cells