Fun, accurate facts about human body systems (circulatory, digestive, skeletal, nervous) for family trivia and school reports.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- What organ pumps blood throughout the body?
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The heart- How many chambers does the human heart have?
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Four- Name the type of blood vessels that carry blood away from the heart.
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Arteries- What is the liquid part of blood called?
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Plasma- About how long is the average adult's entire circulatory system?
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About 60,000 miles- What name is given to the smallest blood vessels in the body?
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Capillaries- What type of blood vessels return blood to the heart?
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Veins- What is the normal resting heart rate range for adults?
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60 to 100 beats per minute- What color does blood become when it lacks oxygen?
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Dark red or bluish- Name the structures that prevent blood from flowing backward in the heart.
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Valves- Where does most nutrient absorption occur in the digestive system?
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The small intestine- What organ stores bile to help digest fats?
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The gallbladder- What is the muscular action that moves food through the digestive tract called?
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Peristalsis- What enzyme in saliva begins to break down starches?
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Amylase- How many permanent teeth does a healthy adult have?
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32 teeth
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