QuizHuman Body quiz: tricky round
Ten harder questions. Give double points here if you like a dramatic finish. Tap an option to answer, or send the whole round to your group.
About how many bones does a newborn baby have?
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About 300. A baby has around 300 bones and bone parts. Many join together later.
Which is the largest organ inside the body?
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Liver. The liver is the largest internal organ.
How many pairs of ribs does a human have?
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12. There are 12 pairs, 24 ribs in all.
What is the coloured part of the eye called?
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Iris. The iris gives the eye its colour. The pupil is the dark opening in its middle.
How many chromosomes does a normal human body cell have?
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46. Human cells have 23 pairs, 46 in all.
Which waste gas do the lungs remove from the blood?
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Carbon dioxide. We breathe out the carbon dioxide that the body makes.
Which blood cells fight infection?
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White blood cells. White blood cells defend the body against germs.
Which is the largest muscle in the body?
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Gluteus maximus. The gluteus maximus, in the hip, is the largest muscle.
What is a normal resting heart rate for an adult?
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60 to 100 beats a minute. For most adults a resting heart beats 60 to 100 times a minute.
What is the windpipe also called?
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Trachea. The trachea carries air to the lungs. The oesophagus is the food pipe.
More Human Body rounds
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