liver cells

skin cells

muscle cells

stem cells

bipolar neurons

multipolar neurons

Purkinje neurons

pyramidal neurons

stem cells

muscle cells

glial cells

prison cells

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

1 month

1 year

10 years

100 years

hormonal

electrical impulses

proteins

telegraph

150 meters per second

100 miles per hour

1 meter per second

1 foot per second

all of the above

a nerve

brains

spinal cord

nerve

wire

muscle

the brain