The Musculo-Skeletal system
Digestive System
Respiratory System
Nervous System
Circulatory System
100
This part of the skeleton is composed of several bones and protects the brain.
What is the skull?
100
These structures, also part of the skeletal system, crush that has entered the mouth.
What are the teeth?
100
These balloon like sacs that inflate and deflate, bringing air into and out of the body.
What are the lungs?
100

This is the most important organ in the nervous system. It connects to the spinal cord. 

What is the brain?

100
These disc shaped cells transport oxygen from the lungs to the other parts of the body.
What are red blood cells?
200

These muscles work without you having to try to use them (hint: these muscles are found in your liver, kidneys, and lungs)

What are smooth muscles?

200
Food travels down this long tube from the mouth to the stomach.
What is the esophagus?
200
Small sacks in the lungs which allow oxygen and carbon dioxide to move between the lungs and blood stream.
What are aveoli?
200
The central nervous system is composed of the brain as well as this long structure that extends down the back and is the connector between the brain and all other parts of the body.
What is the spinal cord?
200

Double Jeopardy: These blood cells are a vital part of the body's immune system.

What are white blood cells?

300

These are responsible for connecting muscles to bones.

What are tendons?

300

The longest part of the human digestive system, helping the body to absorb fats, proteins, and vitamins.

What is the small intestine?

300
This chemical is in the air we breathe and we need it to survive.
What is oxygen?
300
Bundles of fibers found throughout the body that sends electrical impulses to and from the brain to the other body structures.
What are nerves?
300

What is the most important organ in the circulatory system

What is the heart?

400

This type of muscle makes up the main tissue of the heart.

What is cardiac muscle?

400

Double Jeopardy: Part of the large intestine is called the.... (hint: it absorbs the last of the minerals and water from the food)

What is the colon?

400
This chemical is exhaled by animals, but plants "breathe" it in and use it to produce oxygen.
What is carbon dioxide?
400

This types of nerves allow the brain to control the body's muscles. 

What are motor nerves? 

400

The circulatory system transports blood through the body using these passages.

Arteries, blood vessels, and capillaries 

500

This allows bones to rub together so they don't get damaged.

What is cartilage?

500

The liver and this organ work together to make and store bile.

What is the gallbladder?

500
This is a disease that can affect people who smoke.

What is lung cancer?

500

These types of nerves send messages to the brain to let it know what is happening to the body.

What is a sensory nerve? 

500

The number of times your heart beats within a certain time period, usually within a minute. 

What is a heartrate?

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