Science trivia quiz questions about the human body.
Which part of the brain regulates physiological stability in the
body?
A: Hypothalamus.
Which organ is responsible for regulating the blood sugar level?
A: Pancreas.
Which organ makes urine?
A: Kidney.
What is the scapula?
A: Shoulder blade.
What is the scientific name for the human ''tail'?
A: Coccyx.
Where are the ossicles?
A: In the ear.
When might a person show rapid eye movement (REM)?
A: During sleep.
Which organ removes excess water from the blood?
A: Kidney.
Which is the most acidic part of the digestive system?
A: Stomach.
A deficiency of which vitamin can cause scurvy?
A: Vitamin C.
What is the average human body temperature when taken by a
thermometer under the tongue.
A: 98.4 degrees F.
What are the two main veins in the neck, returning blood from the
brain to the heart?
A: Jugular veins.
What is the term fro a series of uncontrollable intakes of air
caused by sudden spasms of the diaphragm?
A: Hiccups.
Which part of the eye contains about 137 million light-sensitive
cells in one square inch?
A: Retina.
What is the more common name for the tympanic membrane?
A: Ear drum.
What is the name for a red blood cell?
A: Erythrocyte.
What is the scientific name for the windpipe?
A: Trachea.
Where do the Graafian follicles develop?
A: Ovaries.
Which part of the body produces the excretory product urea?
A: Liver.
Where would you find the pisiform bone?
A: Wrist.
What is the scientific name for the kneecap?
A: Patella.
What is protected by the cranium?
A: Brain.
What is the name of the large muscle just beneath the lungs?
A: Diaphragm.
Where in the body is the thyroid?
A: The neck.
Which glands secrete adrenaline?
A: Adrenal glands.
Which organ in the body stores excess sugar as glycogen?
A: Liver.
What name is given to the small bones which form the spinal column?
A: Vertebrae.
Which teeth are the third molars, and are always the last to0 erupt?
A: Wisdom teeth.
What is secreted by the pancreas to regulate blood sugar levels?
A: Insulin.
Where in the body are the cerebellum, the medulla and the
hypothalamus?
A: Brain.
What makes up 60-70% of human body weight?
A: Water.
What beats more than 2,000 million times during an average lifetime -
or about 72 beats per minute?
A: Heart.
What are the very narrow blood vessels which form a network between
arteries and veins?
A: Capillaries.
What is the name of the membrane enclosing the fluid around the
fetus?
A: Amnion; amniotic membrane.
What is the ring of bones at the hip called?
A: Pelvic girdle.
What is the colorless liquid, consisting of plasma and white cells,
which bathes the body tissues?
A: Lymph.
What tube connects the kidney to the bladder?
A: Ureter.
What is the name of the structural tissue found in the ear, the nose,
and in between the vertebral discs?
A: Cartilage.
Which artery supplies the kidney with blood?
A: Renal artery.
Which organ destroys old red blood cells?
A: Spleen.
Which three bones are collectively known as the auditory ossicles?
A: Hammer; anvil; stirrup.
How many chambers has the heart?
A: Four.
How many ventricles are there in the human heart?
A: Two.
What is the scientific name for the tube connecting the mouth with
the stomach?
A: Oesophagus.
