input with options: Q: In an experiment, what is the affected variable called? A:
OPTIONS:
- form variable
- independent variable
- control variable
- dependent variable
output: dependent variable

Q: Q: When the smooth muscle relaxes, the arterioles dilate, allowing blood to enter the what? A:

OPTIONS:
- bones
- arteries
- veins
- capillaries

A: capillaries

input: OPTIONS:
- color
- temperature
- density
- speed Now, answer this question: Q: When light passes from one medium to another, it changes what? A:
A:
output: speed

Q: What are the two loops of blood flow in the cardiovascular system? A:

OPTIONS:
- anabolic and metabolic
- aerobic and anaerobic
- systolic and diastolic
- pulmonary and systemic

Answer: pulmonary and systemic

Problem: OPTIONS:
- stop light
- twist light
- burn light
- focus light
Q: Q: Compound light microscopes use lenses to do what? A:
Answer: focus light

Q: The angle of refraction depends on the index of what? A:

OPTIONS:
- frequency
- vibration
- reflection
- refraction

Answer:
refraction