muscle cells

prison cells

stem cells

glial cells

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

electrical impulses

proteins

telegraph

hormonal

brains

a nerve

spinal cord

all of the above

muscle

wire

nerve

the brain

skin cells

stem cells

liver cells

muscle cells

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

1 year

1 month

10 years

100 years