*Question*
Q: The conducting zone of the respiratory system includes the organs and structures not directly involved in what? Choices: - copper exchange - helium exchange - gold exchange - gas exchange A:
**Answer**
gas exchange

*Question*
Q: What is the option to remove kidney stones other than surgery? Choices: - pump treatments - skin treatments - glandular treatments - ultrasound treatments A:
**Answer**
ultrasound treatments

*Question*
Q: Mammals are endothermic vertebrates that have four limbs and produce what type of eggs? Choices: - gymnoic - umbilical - epithelial - amniotic A:
**Answer**
amniotic

*Question*
Q: What is your body made up of? Choices: - skin - millions of elements - energy - trillions of cells A:
**Answer**
trillions of cells