Q: What term describes the long tube that connects the mouth to the anus? Choices: - metabolism tract - esophagus tract - lungs tract - gastrointestinal tract A:
gastrointestinal tract

Q: What kind of energy does pyruvate have a lot of? Choices: - thermal - nuclear - gravitational - chemical A:
chemical

Q: Q: What body system allows humans to move? Choices: - digestive system - abnormal system - lung system - muscular system A:
A: muscular system

Question: Q: What are the most energetic of all electromagnetic waves, which can be used to treat cancer? Choices: - ultraviolet - infrared - X-ray - gamma rays A:
Answer: gamma rays

*Question*
Q: What does the vertebral column , or backbone, protect? Choices: - disks - neurons - axons - spinal cord A:
**Answer**
spinal cord

*Question*
Q: Saturated and unsaturated are the two main kinds of what? Choices: - sugars - acids - polymers - fats A:
**Answer**
fats