Mental Disorders
People with this anxiety disorder may repeatedly wash their hands or check locks due to intrusive thoughts.
Obsessive-compulsive disorder (OCD)
This East Asian country is the birthplace of karate.
Japan
Despite its smell, some people actually keep this striped mammal as a pet — after it’s had its scent glands removed.
Skunk
This English playwright flourished during the Renaissance and penned Hamlet.
William Shakespeare
About 20% of the oxygen you breathe goes straight to this organ — your body’s ultimate control center.
Brain
This trauma-related condition can cause flashbacks, nightmares, and severe anxiety after a frightening event.
Post-traumatic stress disorder (PTSD)
This Chinese martial art’s name means “gentle way,” though it’s famous for throws and grappling.
Judo
This large rodent from South America loves water and is often called the “world’s biggest guinea pig.”
Capybara
This sculptor’s David stands as one of the masterpieces of Renaissance art.
Michelangelo
These organs clean about 50 gallons of blood every single day to make urine.
Kidneys
People with this personality disorder often lack empathy and manipulate others for personal gain.
Antisocial personality disorder (psychopathy)
This close-range Chinese martial art focuses on speed, centerline strikes, and was famously practiced by Bruce Lee before he developed Jeet Kune Do.
Wing Chun
This giant lizard native to Indonesia can grow over 10 feet long and has a venomous bite.
Komodo dragon
The Renaissance followed this historical period, often referred to as “dark.”
Middle Ages (or Dark Ages)
This organ helps break down toxins — and can regrow itself.
Liver
People with this developmental condition may have difficulty with social interaction and repetitive behaviors, existing on a “spectrum.”
Autism spectrum disorder (ASD)
This peaceful Japanese martial art focuses on redirecting an opponent’s energy rather than striking.
Aikido
Known for its ultra-soft fur, this South American rodent takes “dust baths” instead of water baths.
Chinchilla
This Italian city is often called the “birthplace of the Renaissance.”
Florence
This organ produces insulin and digestive juices, and it’s hidden behind your stomach.
Pancreas
This condition causes extreme shifts between high-energy manic episodes and deep depression.
Bipolar disorder
Developed for the Israeli Defense Forces, this martial art emphasizes real-world self-defense, including disarming attackers with guns or knives.
Krav Maga
This small, smiling amphibian from Mexico stays in its larval stage for life — it never grows up!
Axolotl
The term “Renaissance” comes from a French word meaning this.
Rebirth
A small, pear-shaped pouch that stores and concentrates bile produced by the liver to aid in the digestion of fats.
Gallbladder