Nervous System
What is the main control center of the body?
The brain
What is a reflex?
An automatic, quick response
Which system works with the nervous system to move the body?
Muscular system
A scientist who studies how diseases spread and how to control outbreaks is called a __________.
Epidemiologist
What carries messages between the brain and the rest of the body?
The spinal cord
Reflexes are controlled mainly by the __________.
Spinal cord
Which organ pumps blood throughout the body?
The heart
True or False: Epidemiologists only work with human diseases.
False (they can study animals, environments, and food sources too)
What are the special cells called that send signals in the nervous system?
Neurons
True or False: Reflexes always need the brain first.
False
Which system breaks down food for energy?
Digestive system
When many people in one community get sick at the same time, it’s called an __________.
Outbreak
Which part of the brain controls balance and coordination?
The cerebellum
What happens faster—reflexes or regular brain decisions?
Reflexes
Which system helps fight off sickness?
Immune system
What is one piece of evidence epidemiologists collect to track diseases?
Patient history, symptoms, test results, contact tracing, etc.
Which part of the brain controls breathing and heartbeat?
The brain stem
Why are reflexes important for survival?
They protect the body from harm
Which system delivers oxygen to the body?
Respiratory system
Imagine there’s a new disease in your town. What are two steps an epidemiologist might take to stop it from spreading?
Investigate the source, isolate sick people, educate the public, recommend treatments or vaccines, etc.