Q: The lungs perform gas exchange using air and what fluid, which is coming and going from the heart? A:
OPTIONS:
- mucus
- water
- saliva
- blood
blood

Q: Gastric emptying is regulated by both the stomach and what other digestive structure? A:
OPTIONS:
- small intestine
- appendix
- esophagus
- duodenum

Answer: duodenum

Question: Q: What side of a mountain does the rainshadow effect occur on? A:
OPTIONS:
- starboard
- windward
- due north
- the leeward side
Answer: the leeward side

input with options: Q: What is the most common type of muscle in the human body? A:
OPTIONS:
- fetal
- internal
- digestive
- skeletal
output: skeletal

Q: Q: While populations with unlimited resources grow exponentially, the population of a species will level off when what limit of its environment is reached? A:

OPTIONS:
- reproduction
- niche
- extinction
- carrying capacity

A: carrying capacity

Q: What is a type of solid that lacks an ordered internal structure? A:
OPTIONS:
- ice
- a sponge
- an elastic solid
- an amorphous solid
an amorphous solid