Question: You are presented with the quiz "Smoking will decrease the flow of what in the body?" 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 "smoking constricts arteries and increases clotting to block arteries". So, what's the best answer to the question?
OPTIONS:
- oxygen-rich blood
- blood clots
- preventing heat transfer
- heat energy
- electric current
- all liquids
- layers of fat
- ashes
Answer: oxygen-rich blood

Question: You are presented with the quiz "What is oxygen used as in respiration?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "electron transport is the final stage of aerobic respiration" and "aerobic respiration is an oxidative process which uses oxygen as a final electron acceptor". So, what's the best answer to the question?
OPTIONS:
- heat produced
- electron acceptor
- photosynthesis
- Chemical energy
- preventing heat transfer
- Veins and arteries.
- it keeps an organism warm
- It helps them survive
Answer: electron acceptor

Question: You are presented with the quiz "Where would an animal store food for later?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if food is not immediately used by the body for energy then that food will be stored for future use" and "food is often stored in the nest for use when the supply is short". So, what's the best answer to the question?
OPTIONS:
- river
- Winter
- trees
- can
- skull
- nest
- leaves
- box
Answer:
nest