17scienceThis organ in the human body, about the size of your fist, is located behind the stomach. Its most important function is filtering foreign substances from the blood, as well as helping the body fight infections. What is the name of this organ?Show AnswerLearn MoreShare
7scienceWithin 50% margin of error: how long does it take for blood to make a complete tour through the human body, from the time it leaves the heart until it returns?Show AnswerLearn MoreShare
2scienceBONUS 3: The word "vaccine" comes from the Latin word vaccinus which refers to what?Show AnswerLearn MoreShare
7scienceOf the chemical elements between #95 and 100, three are named for humans. Name the three.Show AnswerLearn MoreShare
20scienceThe color chartreuse is basically a combination of which two colors?Show AnswerLearn MoreShare
6scienceWhat is the most common gas in the earth's atmosphere? Is it nitrogen, oxygen, ozone, or carbon dioxide?Show AnswerLearn MoreShare
10scienceFrom the name of the Greek goddess of health, the one often pictured feeding a pet snake, comes an English word which concerns most people most of the time. Who is this Greek goddess?Show AnswerLearn MoreShare
1scienceWhich 19th century French chemist, who discovered that diseases are caused by microorganisms, is considered the founder of modern microbiology?Show AnswerLearn MoreShare
9scienceCan you name four materials, considered almost as valuable as gems, and frequently used as jewelry, that come from plants and animals?Show AnswerLearn MoreShare
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