Q: You are presented with the quiz "How do most analgesics work on invertebrates?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most invertebrates have a nervous system" and "narcotic analgesics act on the central nervous system to relieve pain". So, what's the best answer to the question? | OPTIONS:
- insects
- kinetic
- adding heat
- reduce
- decrease stamina
- it needs them
- Relieve pain
- protect them
A: Relieve pain

Q: You are presented with the quiz "What has a woody stem covered in bark?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "trees have woody stems covered with bark" and "all oaks are trees". So, what's the best answer to the question? | OPTIONS:
- bacteria
- bushes
- elms
- humans
- flowers
- Spruce
- oaks
- bamboo
A: oaks

Q: You are presented with the quiz "What do blood vessels carry?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "arteries generally carry oxygen-rich blood" and "arteries and veins are blood vessels". So, what's the best answer to the question? | OPTIONS:
- nitrogen
- glucose
- SO2
- water
- Joules
- oxygen
- fluid
- liquid
A: oxygen

Q: You are presented with the quiz "What does a tape measure do?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "atape measure is used to measure length" and "lengths A length is a measure of distance". So, what's the best answer to the question? | OPTIONS:
- observe appearance
- measure weight
- measure density
- measure distance
- focusing a lens
- objects that have mass
- lowered energy cost
- duplicate itself
A: measure distance