Mr. Stein How Does Your Body Work? Chapter 5 The nervous System

The nervous system is made up of?

• Muscles

• Bones

• nerves

• Hormones

How many nerves do you have in your body?

• A million.

• A hundred.

• A thousand.

• About a billion.

Your ______ allow you to keep track of what's happening in the world around you.

The nerves send messages where?

• To the brain.

• To the heart

• To the lungs

• To the muscles

Your _____ tells your body how to act.

The nerves in your body are made up of nerve _____.

The center of the cell is called the?

• Cytoplasm

• Nucleolus

• cell body

• Mitochondria

The stringy parts that lead away from the cell body are called?

• Axons

• dendrites

• Synapses

• Neurons

The dendrites are like​ (a)  

• roads
• pizza
• lunch
• breakfast

When a doctor taps your knee with a rubber hammer he or she is checking your?

• Blood pressure

• reflexes

• Respiratory rate

• Muscle strength