You are presented with the quiz "What systems are pollutants bad for?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "air pollution harms the respiratory and circulatory systems" and "air pollution is caused by lots of different pollutants". So, what's the best answer to the question?
OPTIONS:
- destroying life
- classification system
- an organism's body
- respiratory and circulatory
- animal habitats
- ambulatory systems
- social security system
- the environment

Answer: respiratory and circulatory
Question: You are presented with the quiz "what helps cells to lower the blood sugar?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "insulin helps cells take up glucose from the blood" and "exercise does burn glucose from the blood and can lower the blood sugar". So, what's the best answer to the question?
OPTIONS:
- sugar
- candy
- sweating
- blood draws
- Energy
- insulin
- pancreas
- exercise
Answer: insulin
input with options: You are presented with the quiz "what does bone provide protection for?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "bone provides protection for soft tissues and internal organs" and "internal organs that can be affected include kidneys, lungs, heart and brain". So, what's the best answer to the question?
OPTIONS:
- health
- humans
- clouds
- skin
- the heart
- layers of fat
- prime rib
- athletes
output: the heart
Q: You are presented with the quiz "Plants do what by absorbing water quickly through their roots?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "astem is used to store water by some plants" and "when it rains, the roots absorb water quickly and the plants store the water in the stems". So, what's the best answer to the question?

OPTIONS:
- survival
- avoid water
- store water
- pour water
- direct energy
- growth
- peachleaf willow
- release water

A: store water
input: OPTIONS:
- density
- clouds
- embryos
- plants
- matter
- ferns
- humans
- batteries Now, answer this question: You are presented with the quiz "what are cells the basic units of?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cells are the basic units of the structure and function of living things" and "humans, angels, animals, and all other living things are finite". So, what's the best answer to the question?
A:
output: humans
Question: You are presented with the quiz "What is compressed into coal over long periods of time?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time" and "swamp vegetation was compressed to form coal". So, what's the best answer to the question?
OPTIONS:
- an object
- bottom of feet
- energy
- carbon dioxide
- rays or beams
- kinetic energy
- electricity
- vegetation
Answer:
vegetation