Name the Body System
Body Defense System
Circulation
Breathe in Breathe out
Bones and Muscles
100

Which body system protects the body from disease and infections? 

Immune System
100

What is the body's first line of defense against germ invasion? 

Your skin

100

The main component of the circulatory system is what? 

The Heart

100

What is the main organ of the Respiratory System? 

Lungs

100

How many bones are in a grown human skeleton? 

206

200

Which body system transports oxygen and nutrients throughout the body? 

Circulatory system 

200

Which type of white blood cells chew up invading germs? 

Phagocytes 

200

Which blood vessels carry blood away from the heart? 

Arteries 

200

What is the longest and strongest bone in the body? 

Femur

300

A network of organs and tissues that allow you to breathe and swap oxygen for carbon dioxide.

Respiratory system 

300

What are the body's defense team cells that fight off bad germs and infections? 

White Blood Cells

300

Which blood vessels carry blood to the heart? 

Veins 

400

A group of connected organs that breaks down food into tiny nutrients your body can use for energy, growth, and repair

Digestive System

400

A special doctor wo helps your body fight off bad infections and diseases?

Immunologist 

400

What is the watery, yellowish liquid part of your blood that carries nutrients? 

Plasma

500

Your body’s central support structure?

Skeletal System

500

What are special tags made by your body to lock onto germs so they can be destroyed.

Antibodies 

500

A special doctor who helps your body fight off bad infections and diseases? 

Cardiologist 

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