input with options: Q: What kinds of cells that are important to our physical functioning can atrophy when they are not used? A:
OPTIONS:
- reproductive
- brain
- digestive
- muscles
output: muscles

Q: Q: What impact can plaque in an artery have on the flow of blood? A:

OPTIONS:
- no effect
- allergic reaction
- increased flow
- restriction

A: restriction

input: OPTIONS:
- ions or hormones
- acids and bases
- enzymes and acids
- solid ions or molecules Now, answer this question: Q: Motion of water molecules helps break up interactions between what? A:
A:
output: solid ions or molecules

Q: What term means controlling body temperature within a narrow range from the inside through biochemical or physical means? A:

OPTIONS:
- exothermy
- regulation
- evaporation
- endothermy

Answer: endothermy

Problem: OPTIONS:
- noble gases
- the acid group
- metalloids
- the oxygen group
Q: Q: Group 16 is called what? A:
Answer: the oxygen group

Q: The testes produce sperm and secrete what? A:

OPTIONS:
- thyroxine
- melanin
- estrogen
- testosterone

Answer:
testosterone