Fact 1: Most reptiles have good eyesight and a keen sense of smell. Fact 2: If someone has bad eyesight,the sense of smell is heightened. Given the two facts above, answer the question "If most reptiles have bad eyesight, the ability to smell is what?" with the following options: - dangerous - lowered - improve - positive - smelled - decreased - heightened - critical organs
heightened

Fact 1: Constriction occurs when the muscular walls of blood vessels contract. Fact 2: Muscle spasms are involuntary contractions of a muscle. Given the two facts above, answer the question "What can muscle spasms cause?" with the following options: - massive damage - matter vibrating - constriction - friction - Dehydration - ketosis - stretching - photosynthesis
constriction

Q: Fact 1: Smell is used for finding food by some animals. Fact 2: Energy grows food and keeps people alive. Given the two facts above, answer the question "What keeps some animals alive?" with the following options: - Heat - spring - smell - protein - muscles - energy - oxygen - warm
A: smell

Question: Fact 1: Insulin helps cells take up glucose from the blood. Fact 2: Exercise does burn glucose from the blood and can lower the blood sugar. Given the two facts above, answer the question "what helps cells to lower the blood sugar?" with the following options: - sugar - candy - sweating - blood draws - Energy - insulin - pancreas - exercise
Answer: insulin

*Question*
Fact 1: Cells vary in size as well as shape, but all cells are very small. Fact 2: Microscopes are needed as most aquatic invertebrates are quite small. Given the two facts above, answer the question "What can be used to see cells?" with the following options: - microscopes - A computer - mirrors - cell walls - barometers - binoculars - scattered light - flashlights
**Answer**
microscopes

*Question*
Fact 1: Freezing means changing from a liquid into a solid by reducing heat energy. Fact 2: Liquid water holds a huge amount of heat energy and resists changes of state to solid or gas. Given the two facts above, answer the question "What turns a liquid into a solid?" with the following options: - The bending of a ray of light - decreasing liquid - reducing heat energy - Warm air moving into cold air - movement of tectonic plates - keeping current temperature - adding more heat - evaporation
**Answer**
reducing heat energy