Q: A decline in blood flow to what organs stimulates release of the enzyme renin, in turn stimulating the reabsorption of sodium and water? A:

OPTIONS:
- thyroids
- kidneys
- lungs
- kidneys

Answer: kidneys

Problem: OPTIONS:
- vascular disease
- bulging veins
- cataracts veins
- varicose veins
Q: Q: Wich disorder arises when defective valves allow blood to accumulate within the veins? A:
Answer: varicose veins

Problem:OPTIONS:
- larynx
- esophagus
- fallopian tube
- pharynx

Q: What is the name of the tube that joins the mouth to the digestive and respiratory tracts? A:
****
A: pharynx

Q: The posterior end of a typical rib is called what? A:
OPTIONS:
- neck
- chest
- bottom
- head
head

Q: What occurs when two opposite charges are separated by some amount of distance? A:
OPTIONS:
- particle
- radioactivity
- diffusion
- dipole

Answer: dipole

input with options: Q: What important liquid is stored throughout the earth in the oceans, underground, and in ice? A:
OPTIONS:
- oil
- lava
- air
- water
output:
water