input: OPTIONS:
- health
- humans
- clouds
- skin
- the heart
- layers of fat
- prime rib
- athletes Now, answer this question: Fact 1: Bone provides protection for soft tissues and internal organs. Fact 2: Internal organs that can be affected include kidneys, lungs, heart and brain. Given the two facts above, what does bone provide protection for?
A:
output: the heart

Fact 1: Vertebrates are animals that have a backbone. Fact 2: Invertebrates are animals who lack a backbone or spinal column. Given the two facts above, what has a spinal column?

OPTIONS:
- bacteria
- humans
- vertebrates
- lichens
- invertebrates
- athletes
- matter vibrating
- people

Answer: vertebrates

Problem: OPTIONS:
- friction
- acetic acid
- heat or cold
- sweating
- electrically
- resistance
- Damages them
- exercise
Q: Fact 1: Muscle contraction occurs when muscle fibers get shorter. Fact 2: Exercise causes muscles to contract. Given the two facts above, what causes muscle fibers to get shorter?
Answer: exercise

Problem:OPTIONS:
- pigeons
- monkeys
- horizon
- growth
- humans
- omnivores
- waiting
- distance

Fact 1: Cell division often causes growth. Fact 2: Cell division is relatively slow and requires a lot of energy. Given the two facts above, what often requires a lot of energy?
****
A: growth

Fact 1: Balance is the ability to sense and maintain body position. Fact 2: Balance is a proprioceptive function. Given the two facts above, proprioceptive functions sense and maintain what?
OPTIONS:
- the sense of smell
- sensory neurons
- salt and water.
- cellular respiration
- body position
- temperature
- gasoline
- kinetic energy
body position

Fact 1: Evolution is a change in the characteristics of living things over time. Fact 2: On the other hand, the environment causes all living things to adapt. Given the two facts above, _can cause evolution?
OPTIONS:
- weather
- environment
- our star
- competition
- global warming
- behavior
- sound
- rapid expansion

Answer:
environment