The Nervous System, Part 1: Crash Course A&P #8

What is the function of the nervous system?

• To pump blood around the body

• To control all of our body systems

• To give our bodies structure

• To help us move and move food through our bodies

What is another name for nerve cells?

• Glial cells

• Leukocytes

• Neurons

• Melanocytes

Your brain telling your legs to jump would be an example of

• sensory input

• integration

• motor output

What is motor output?

• memory storage

• a car leaving a garage

• taking out the trash

• the response that occurs when your nervous system activates other body parts

Integration is

• mixing things together

• the brain processing all of its sensory inputs

What makes up the central nervous system?

• the brain and spinal cord

• the peripheral nerves

What do glial cells do?

• let us move

• protect and feed neurons

• find and kill invaders

What type of cell is mainly involved in thinking and learning?

• neurons

• glial cells

• Schwann cells

How long do neurons live (if you don't do something to kill them)?

• a year

• a week

• about as long as you live

• 10 years on average

How much of your daily diet feeds your brain?

• 100%

• about 10%

• about 25%

• about 75%