Question: Q: How many chromosomes are in each set? A:
OPTIONS:
- 22
- 21
- 13
- 23
Answer: 23

Question: Q: Boyle's law applies to matter which is in what state? A:
OPTIONS:
- liquids
- plasma
- solids
- gas
Answer: gas

Question: Q: What two systems are the lungs part of? A:
OPTIONS:
- stomach and excretory
- heart and excretory
- stomach and nervous
- respiratory and excretory
Answer:
respiratory and excretory