The organ that filters blood for urea and maintains fluid balance.
What is the kidney?
100
Sometimes called the "third eye", this gland controls sleep and wake cycles.
What is the pineal gland?
100
This organ filters the blood and stores white blood cells.
What is the spleen?
100
This is the first way that food is broken down into smaller pieces in the digestive system.
What is chewing?
100
The body breathes in oxygen and breathes out this gas.
What is carbon dioxide?
200
The organ that filters blood to detoxify it of drugs and alcohol. It also creates bile and cholesterol.
What is the liver?
200
Often considered the "master gland", this part of the endocrine system controls growth and the release of many other hormones.
What is the pituitary gland?
200
Located near the heart, this gland creates antibodies and is replaced by fat as we age.
What is the thymus?
200
This is how we move food from our mouth into our stomach.
What is swallow?
200
These are the two passageways that air enters and leaves the body as we inhale and exhale.
What are through the nose and mouth?
300
These tubes connect the kidneys to the bladder, contracting every 10 seconds to move urine.
What are the ureters?
300
Located on top of the kidneys, these glands control our "fight or flight" response.
What are the adrenal glands?
300
This organ stores beneficial bacteria, to restock the intestines after illness.
What is the appendix?
300
This is the name of the tube in the digestive system that goes from the mouth to the stomach.
What is the esophagus?
300
This is the name of the tube in the respiratory system that goes from the mouth to the lungs.
What is the trachea?
400
These glands secrete amylase, to assist in breaking down carbohydrates.
What are the salivary glands?
400
The hormone released from the pancreas that helps to control blood sugar.
What is insulin?
400
Located throughout the body, these filter fluid to catch bacteria, viruses and other pathogens.
What are lymph nodes?
400
This is where urine is stored in the body.
What is the bladder?
400
This flap keeps food from entering your respiratory system when you swallow.
What is the epiglottis?
500
The entire digestive tract undergoes this rhythmic contraction of muscles, to move food along.
What is peristalsis?
500
Located in the front of the throat, this gland controls the body's metabolism.
What is the thyroid gland?
500
Located on either side of the throat, these act as a first line of defense against pathogens entering our body. As a result, they themselves often become infected.
What are tonsils?
500
The digestive consists of the esophagus, stomach, and these two other parts.
What are the small intestine and the large intestine?
500
This is the reason your voice gets deeper as you age.