1 meter per second

150 meters per second

1 foot per second

100 miles per hour

glial cells

prison cells

muscle cells

stem cells

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

wire

the brain

nerve

muscle

1 year

10 years

1 month

100 years

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

electrical impulses

telegraph

hormonal

proteins

skin cells

stem cells

muscle cells

liver cells

a nerve

all of the above

brains

spinal cord