Lesson 1 - The Neuron

Question 1

What are the purpose of dendrites?

Accepted Answer

Receive impulses/signals from other neurons

Question 2

What are the special type of cells that makes up your brain and uses electrical signals to communicate?

Accepted Answer

Neurons

Question 3

What do axons do?

Accepted Answer

Carry nerve impulses/electrical signals from one neuron to another neuron, Facilitate transport of biological materials between neurons

Question 4

What is this?

Accepted Answer

Axon

Question 5

How big is the longest neuron in the animal kingdom?

Accepted Answer

75 feet

Question 6

What are these?

Accepted Answer

Dendrites

Question 7

How fast do signals travel through axons?

Accepted Answer

431 km/hour, 268 miles/hour

Question 8

What is this?

Accepted Answer

Soma/Cell Body

Question 9

If you lined up all the axons, dendrites, and neuronal bodies from ONE brain, how far could you go (starting in Philly)?

Accepted Answer

2.08 one-way trips to the moon (800,000 km/497,000 miles)

Question 10

What is the purpose of the soma/cell body of the neuron?

Accepted Answer

To act as the brain of the neuron, To contain the nucleus, other organelles, and produce neurotransmitters

Questions 10