brains

a nerve

all of the above

spinal cord

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

1 meter per second

1 foot per second

100 miles per hour

150 meters per second

glial cells

prison cells

stem cells

muscle cells

stem cells

liver cells

skin cells

muscle cells

they do not have a nucleus

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

hormonal

proteins

telegraph

electrical impulses

100 years

1 month

10 years

1 year

nerve

wire

the brain

muscle