16scienceWhat contracting membrane regulates the amount of light entering the eye? Is it the retina, iris, or pupil?Show AnswerShare
5scienceCan you give the decibel levels of each of the following sounds: within 10 a. Normal conversation b. Jet plane takeoff c. Live loud rock musicShow AnswerShare
1scienceA great milestone in human science occurred in 1628, when the English physician William Harvey first described what important bodily function or system?Show AnswerShare
16scienceWhich planet has the shortest day of any planet in our solar system - only 9 hours and 55 minutes?Show AnswerShare
9scienceCan you name four materials, considered almost as valuable as gems, and frequently used as jewelry, that come from plants and animals?Show AnswerShare
15sciencea. How many bones in the human body? b. Of these 206 bones, about 1/4 of them are located in which part of the human body?Show AnswerShare
13scienceUntil the 18th century, this plant was grown for its beauty, but not eaten, since it was believed to be poisonous. Today it can be found in tossed salads. Which plant is this?Show AnswerShare
19scienceWhat are the names of the two bones which extend from the elbow to the wrist?Show AnswerShare
3scienceBONUS According to a 1999 report from the World Health Organization, What is the leading cause of death throughout the world - including types of illnesses, diseases or accidents?Show AnswerShare
