Human body

Answer these 20 questions to test your knowledge on the humn body!

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Last updated: July 9, 2025

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Hint	Answer
what red blood cells are primarly composed of	haemoglobin
what is the medical term for blood poisoning	septicemia
what is the largest organ in the humn body	skin
which organ monitors the blood glucose levels	pancreas
what is the largest artery in the human body	aorta
what is the hardest substance in the human body	tooth enamel
which part of the body has the most sweat glands	feet
what part of the brain controls balance	cerebellum
what connects muscles to the bones	tendons
which muscle helps you breathe?	diaphragm
which nerve helps controls the heart rate and digestion	vagus nerve
what tube carries food to the stomach	esophagus
which system controls hormones	endocrin
the humerus is a bone in which part of the body	arm
how many teeth does an adult usually have	32
which blood type is a universal recipient (with rhesus)	AB positive
what glands produce tears	lacrimal
what is the name of the upper jawbone	maxilla
which hormone regulates sleep	melatonin
what is the main function of the small intestine	absorption

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