Quiz Round 3: Inside the Body

This round's on the internal world - how many questions can you answer?
28 July 2020



This round of questions is on the internal world. How many can you answer, and can you beat our contestants? Answers at the bottom!


  1. Where in your body would you find your patella?
  2. Which of these nutrients contains the most calories per gram?
    A) Fat
    B) Carbohydrates
    C) Protein
  3. Which of the following is a part of the eye?
    A) Dracula
    B) Vernacular
    C) Macula
  4. We have a bunch of microbes living in our digestive systems, and we’re understanding more and more about what role they play in health and disease. But quite how many are there? On what scale are we talking?
    A) Hundreds
    B) Millions
    C) Trillions
  5. Say the average length of a night’s sleep is 8 hours. If you slept 8 hours a night every night till the age of 75, how many years would you have spent asleep?
  6. True or false: the most abundant protein in the human body is collagen.
  7. What common form of dementia, usually beginning in late middle age, is characterised by progressive loss of mental ability?
  8. What type of protein on the surface of the coronavirus attaches to human cells?
  9. What blood type makes someone a universal donor?
  10. What is alopecia?


  1. Where in your body would you find your clavicle?
  2. How much salt - as in, table salt - is in the average human body?
    A) A kilogram
    B) A quarter of a kilogram
    C) Practically none
  3. The two main classes of receptor cells at the back of the eye are called rods and what?
  4. Is herpes caused by a bacterium or a virus?
  5. What's the largest organ in the human body?
  6. Where in your body is most of your iron located?
  7. What disorder is caused by degeneration of the basal ganglia of the brain, and results in tremors and postural instability?
  8. How often does the new coronavirus mutate, on average?
    A) Every two hours
    B) Every two days
    C) Every two weeks
  9. True or false: the vena cava takes oxygenated blood away from the heart all around the body.
  10. Most antidepressants nowadays target which brain chemical, or neurotransmitter?


  1. Where in your body would you find your coccyx?
  2. Calcium accounts for what percentage of human bodyweight?
    A) 0.1%
    B) 1%
    C) 10%
  3. The human eye can distinguish between roughly how many colours?
    A) Tens
    B) Thousands
    C) Millions
  4. Which of the following descriptions from the Bristol stool scale accurately describes healthy poo?
    a) Sausage shaped but lumpy
    b) Fluffy pieces with ragged edges, a mushy stool
    c) Like a sausage or snake, smooth and soft
  5. Do babies have more bones than adults or fewer?
  6. What is the name for the oxygen-carrying protein found in human blood cells?
  7. What congenital disorder is caused by the presence of an extra 21st chromosome, and causes intellectual disability and a flattened facial profile?
  8. Which organ in the body does the coronavirus primarily attack?
  9. Normally, a red blood cell is what shape?
  10. How many lymph nodes are there in the average human body?
    A) Around 5
    B) Around 50
    C) Around 500



  1. Knee (it's your kneecap)
  2. A) Fat
  3. C) Macula
  4. C) Trillions
  5. 25
  6. True
  7. Alzheimer's disease
  8. Spike/S proteins
  9. O negative
  10. Hair loss


  1. Shoulder/upper chest (it's your collarbone)
  2. B) A quarter of a kilogram
  3. Cones
  4. A virus
  5. The skin
  6. The blood
  7. Parkinson's disease
  8. C) Every two weeks
  9. False
  10. Seratonin (or noradrenaline)


  1. Bum/lower back (it's your tailbone)
  2. B) 1%
  3. C) Millions
  4. C) Like a sausage or snake, smooth and soft
  5. More
  6. Haemoglobin
  7. Down's syndrome
  8. Lungs
  9. A biconcave discoid (accept donut, dumbell, any description that describes a disc that's thicker at the edges)
  10. C) Around 500


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