Human body trivia — 10 questions
Here are 10 questions from the “Human body” quiz (523 questions in all), with their answer choices. Try to answer before opening “See the answer”. The selection changes every week.
What is the largest joint in the human body?
- The elbow
- The hip
- The shoulder
- The knee
See the answer
The knee — It brings together the femur, tibia and kneecap and bears much of the body's weight.
In which country was the first birth control pill approved, in 1960?
- United Kingdom
- Sweden
- United States
- France
See the answer
United States — It was called Enovid; France only legalized contraception in 1967, with the Neuwirth law.
Which device measures blood pressure?
- The stethoscope
- The otoscope
- The thermometer
- The sphygmomanometer
See the answer
The sphygmomanometer — The inflatable cuff was popularized by Italian Scipione Riva-Rocci in 1896.
What is the usual pH of stomach contents?
- Between 8 and 9
- Between 1 and 3
- Between 11 and 12
- Between 6 and 7
See the answer
Between 1 and 3 — Such acidity kills most of the germs swallowed with food.
From about what altitude does acute mountain sickness commonly appear?
- About 6,000 m
- About 1,000 m
- About 500 m
- About 2,500 m
See the answer
About 2,500 m — Headache, nausea, insomnia: climbing slowly gives the body time to adapt.
What do we call walking while asleep?
- Narcolepsy
- Sleepwalking
- Bruxism
- Insomnia
See the answer
Sleepwalking — It occurs during deep sleep and is more common in children than in adults.
Which vein carries blood from the intestine to the liver?
- The jugular vein
- The renal vein
- The vena cava
- The portal vein
See the answer
The portal vein — This lets the liver process nutrients and toxins before they reach the rest of the body.
The vocal cords are made of cartilage.
- True
- False
See the answer
False — They are folds of mucous membrane and muscle, stretched by the cartilages of the larynx.
What is the roof of the mouth called?
- The palate
- The pharynx
- The glottis
- The uvula
See the answer
The palate — Its front part is hard and bony; the fleshy back part is called the soft palate.
Fresh sweat is nearly odourless.
- True
- False
See the answer
True — The smell comes from skin bacteria breaking down compounds in sweat.
Frequently asked questions
How many questions are in the “Human body” quiz?
There are 523 free questions at the moment, and we keep adding more.
Do I need an account to play?
No. You can play right away, without an account. An account only adds your statistics, your rating and the rankings.
How are these 10 questions chosen?
They are drawn at random among the text questions of this category and change every week. For ten questions at your level, play a series: the difficulty adjusts to you.
How hard is this quiz?
The difficulty goes from Easy to Infernal and adjusts to your rating, like in chess.
Where can I see the answers?
Under each question, open “See the answer”. Try to answer first!