Brain Bee Bootcamp | Lecture 2

Front

How many miles of axons are in the human brain?

Back

100,000 miles

Front

What part of a neuron is sometimes compared to tree branches?

Back

Dendrites

Front

If you stacked all the neurons in your brain end-to-end, how far would they reach?

Back

To the Moon

Front

What “highway system” in neurons transports packages of proteins?

Back

Cytoskeleton superhighway

Front

What “tiny truck” carries materials along axons?

Back

Dynein and kinesin

Front

What do neurons do if they get too many signals at once?

Back

Stop responding (become refractory)

Front

Why are neurons like batteries?

Back

They store energy as ATP, maintain a voltage difference, and are rechargeable.

Front

What makes action potentials travel faster on some axons?

Back

Myelin insulation

Front

Which glial cells could be considered the brain's "janitors"?

Back

Microglia

Front

Which glial cell can connect to 50 axons at once?

Back

Oligodendrocyte