Problem:OPTIONS:
- proteins
- molecules
- lipids
- cells

Q: What are the basic units of structure and function in living organisms? A:
****
A: cells

Q: Blood from the body enters what chamber of the heart before it is pumped to the right ventricle and then to the lungs? A:
OPTIONS:
- left ventricle
- left bivalve
- left atrium
- right atrium
right atrium

Q: Respiration cycles the organic carbon into which gas? A:
OPTIONS:
- liquid dioxide
- phosphorus dioxide
- oxygen
- carbon dioxide

Answer: carbon dioxide

Question: Q: What system is responsible for defending your body against sickness? A:
OPTIONS:
- nervous system
- circulatory system
- digestion system
- immune system
Answer: immune system

input with options: Q: What part of the plant has a root end and a shoot end? A:
OPTIONS:
- radius
- leaves
- pistol
- axis
output: axis

Problem: OPTIONS:
- gas
- plasma
- air
- water
Q: Q: Evidence for the presence of what on mars makes scientists think that life might have existed there in the past? A:
Answer:
water