Q: Between meals, when the level of blood glucose drops below a certain point, a signal is sent to what organ saying "make more glucose"? Choices: - pancreas - kidney - brain - liver A:
liver

Q: Lavas that cool underwater are called what? Choices: - sea lavas - bed lavas - water lavas - pillow lavas A:
pillow lavas

Q: Q: What is the name for a series of changes in the reproductive system of mature females that repeats every month on average? Choices: - periodic table - urinary cycle - puberty - menstrual cycle A:
A: menstrual cycle

Question: Q: Particles of different densities exert different amounts of what? Choices: - resistance - force - energy - pressure A:
Answer: pressure

*Question*
Q: How many types of simple machines are there? Choices: - ten types - three types - two types - six types A:
**Answer**
six types

Q: G2 and s are phases in what process that is important in cell division? Choices: - tissues - osmosis - cytokinesis - mitosis A:
mitosis