Immune System
Lymphatic System
Putting
It All
Together
100

True or False: Your white blood cells begin attacking pathogens as soon as they enter your bloodstream. 

What is false? The pathogen has time to multiply while the body determines how to fight it. 

100

A fever is your body’s way of doing this

What is killing off pathogens by “cooking” (overheating) them? 

100

This system allows your body to communicate with your brain.

What is the nervous system? 

100

This system allows our species to thrive by growing our population. 

What is the reproductive system? 

100

Nerve cells in your foot communicate with your brain by sending this type of signal. 

What is an electrical signal? 

200

White blood cells attack pathogens by doing this

What is “eating” (engulfing) or breaking them apart?

200

The organs of the immune system are connected by these

What are lymph nodes? 

200

The three stages of the birthing process.

What are labor, deliver of the baby, & delivery of the placenta? 

200

Blood is this type of tissue. 

What is connective tissue? 

200

This system moves nutrients & oxygen throughout your body.

What is the circulatory system? 

300

What you are when you can no longer be sickened by a pathogen that your body recognizes. 

What is immune? 

300

This organ pair filters pathogens that enter through your mouth & nose. 

What are your tonsils? 

300

The part of your eye where images are formed. 

What is the retina? 

300

This system is made up primarily of your skin. 

What is the integumentary system? 

300
Where blood cells are made. 

What is inside the bones / squishy bone / bone marrow? 

400

These work by exposing your body to a milder or inert version of a pathogen. 

What are vaccines? 

400

The main function of memory lymphocytes.

What is “remembering pathogens / illnesses your body has fought off before”?

400

This decreases the amount of glucose in your blood. 

What is insulin? 

400

Chemical messengers that communicate between the organs. 

What are hormones? 

400

The role of bile in digestion. 

What is to break down fat? 

500

Three barriers your body has to prevent infection.

What are skin, mucus, & stomach acid? 

500

Memory lymph nodes are made here

Where is the spleen? 

500

These carry blood away from the heart, while these carry it to the heart. 

What are arteries (away) & blood vessels (to). 

500

Define homeostasis.

What is “the process by which our most maintains normalcy - in temperature, weight, balance, etc.”

500

The chemical produced by platelets to form a scab over a cut. 

What is fibrin?