Problem: OPTIONS:
- digestion system
- nervous system
- respiratory system
- immune system
Q: Q: Which organ system defends the body from pathogens and other causes of disease? A:
Answer: immune system

Problem:OPTIONS:
- muscular system
- lymphatic system
- circulatory system
- nervous system

Q: Multiple sclerosis, huntington's disease, parkinson's disease, and alzheimer's disease are example of diseases of which body system? A:
****
A: nervous system

Q: The abundance of this substance in the atmosphere is what most scientist agree that is causing global warming? A:
OPTIONS:
- argon
- iron oxide
- liquid dioxide
- carbon dioxide
carbon dioxide

Q: What process is used to chemically and mechanically break down the food you eat into smaller parts? A:
OPTIONS:
- absorption
- regression
- filtration
- digestion

Answer: digestion

Question: Q: What are the basic units of structure and function in living organisms? A:
OPTIONS:
- proteins
- molecules
- lipids
- cells
Answer: cells

input: OPTIONS:
- ozone change
- carbon change
- metamorphic change
- climate change Now, answer this question: Q: Burning gas to run our cars is an example of how human activity is contributing to what global event? A:
A:
output:
climate change