Question 1 of 8
Which organ pumps blood through the body?
The heart pumps blood through the circulatory system.
TRIVIA
Human Body Trivia
Explore anatomy, senses, circulation, digestion, and other basic facts about the human body.
Question 2 of 8
Where does most nutrient absorption occur?
Most nutrient absorption occurs in the small intestine.
Question 3 of 8
What carries oxygen in red blood cells?
Hemoglobin binds oxygen in red blood cells.
Question 4 of 8
How many pairs of chromosomes do humans normally have?
Humans normally have 23 pairs of chromosomes.
Question 5 of 8
Which organ is primarily responsible for filtering blood and producing urine?
The kidneys filter blood and produce urine.
Question 6 of 8
What is the body's largest organ?
The skin is the body's largest organ by surface area and mass.
Question 7 of 8
Which system uses hormones as chemical messengers?
The endocrine system produces hormones that act as chemical messengers.
Question 8 of 8
What protects the brain?
The skull forms the main bony protection around the brain.
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Frequently Asked Questions
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