input with options: Q: In which organs does gas exchange take place between blood and air? A:
OPTIONS:
- liver and spleen
- kidneys
- esophagus and larynx
- lungs
output: lungs

Q: Q: What cycle is the second stage of cellular respiration? A:

OPTIONS:
- electron transport chain
- sodium potassium pump
- glycolysis
- krebs cycle

A: krebs cycle

input: OPTIONS:
- electrons
- moisture
- energy
- organelles Now, answer this question: Q: As an erythrocyte matures in the red bone marrow, it extrudes its nucleus and most of its other what? A:
A:
output: organelles

Q: What kind of interference is observed when the paths differ by a whole wavelength, and the waves arrive in phase? A:

OPTIONS:
- necessary interference
- non-interference
- spontaneous interference
- constructive interference

Answer: constructive interference

Problem: OPTIONS:
- pH scale
- reactor
- litmus test
- an acid-base indicator
Q: Q: A substance that displays different colors when in the presence of an acid or a base is called what? A:
Answer: an acid-base indicator

Q: The once compressed universe expanded rapidly after what nicknamed event billions of years ago? A:

OPTIONS:
- big explosion
- good bang
- big bust
- big bang

Answer:
big bang