Problem:OPTIONS:
- healthy food
- vitamins
- rest and relaxation
- toxic substances

Q: What should a pregnant woman avoid while pregnant? A:
****
A: toxic substances

Problem:OPTIONS:
- digestive system
- nervous system
- tissues system
- skeletal system

Q: Osteoporosis, osteoarthritis, fractures, and sprains are problems affecting what system? A:
****
A: skeletal system

Problem:OPTIONS:
- respiration
- tissue
- skin
- metabolism

Q: A reptile's what doesn't generate enough energy to keep their body temperature stable? A:
****
A: metabolism

Problem:OPTIONS:
- liquid source pollution
- simple source pollution
- targeted source pollution
- point source pollution

Q: What type of pollution results from the contaminants that enter a waterway or water body through a single site? A:
****
A:
point source pollution