muscle cells

liver cells

stem cells

skin cells

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

nerve

the brain

muscle

wire

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

spinal cord

all of the above

brains

a nerve

1 year

1 month

10 years

100 years

prison cells

muscle cells

glial cells

stem cells

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

proteins

electrical impulses

hormonal

telegraph