Problem:OPTIONS:
- digestive
- skin
- heart
- respiratory

Q: Diseases of the lungs, bronchial tubes, trachea, nose, and throat affect what organ system? A:
****
A: respiratory

Q: What property is the result of the force of gravity being opposed by the normal force? A:
OPTIONS:
- light
- density
- sound
- weight
weight

Q: Trichomoniasis is cause by what type of pathogen? A:
OPTIONS:
- virus
- bacteria
- worm
- protozoa

Answer: protozoa

Question: Q: What are the smallest type of blood vessel? A:
OPTIONS:
- varicose veins
- spider veins
- arteries
- capillaries
Answer: capillaries

input with options: Q: During adulthood, what is needed for the production of sperm? A:
OPTIONS:
- steroids
- estrogen
- androgen
- testosterone
output: testosterone

Problem: OPTIONS:
- kidneys
- skin
- respiratory
- stomach
Q: Q: The duodenum has a major role in regulating what digestive organ and its emptying? A:
Answer:
stomach