1 month

1 year

100 years

10 years

spinal cord

all of the above

a nerve

brains

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

muscle cells

skin cells

stem cells

liver cells

muscle cells

prison cells

glial cells

stem cells

wire

the brain

muscle

nerve

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

hormonal

telegraph

proteins

electrical impulses