Problem:OPTIONS:
- seawalls
- domes
- outcroppings
- breakwaters

Q: What is the name of artificial barriers that people build to protect shorelines? A:
****
A: breakwaters

Q: What regulates the passage of blood into capillary beds? A:
OPTIONS:
- bicellular sphincters
- diocesan sphincters
- cell membrane
- precapillary sphincters
precapillary sphincters

Q: What liquid is referred to as the "universal solvent"? A:
OPTIONS:
- bromine
- gasoline
- blood
- water

Answer: water

Question: Q: What term describes the amount of solute in a given amount of solution? A:
OPTIONS:
- density
- temperature
- cloudiness
- concentration
Answer: concentration

input with options: Q: What is the measure of change in velocity of a moving object? A:
OPTIONS:
- transmission
- vibration
- kinetic energy
- acceleration
output: acceleration

Problem: OPTIONS:
- vascular system
- excretory system
- digestive system
- respiratory system
Q: Q: Which system of the body is responsible for bringing air into the body? A:
Answer:
respiratory system