Q: What is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer? Choices: - drinking - exercise - diet - smoking A:
smoking

Q: Clouds are formed from what? Choices: - ice crystals - snow flakes - dust particles - water droplets A:
water droplets

Q: Q: The deepest region of the adrenal cortex is the zona reticularis, which produces small amounts of a class of steroid sex hormones called what? Choices: - estrogen - dioxins - testosterone - androgens A:
A: androgens

Question: Q: What is the term for much bigger evolutionary changes that result in new species? Choices: - recalibration - breaking away - regression - macroevolution A:
Answer: macroevolution

*Question*
Q: What is the enclosed, fluid-filled membrane that surrounds and protects the fetus and is attached to the placenta? Choices: - epithelial sac - umbilical sac - womb - amniotic sac A:
**Answer**
amniotic sac

Q: When are nutrients absorbed into the body? Choices: - after excretion - before digestion - after digestion - during digestion A:
during digestion