input with options: Q: Excretion is the process of removing excess water and wastes from the body. what are the main organs of excretion? A:
OPTIONS:
- eyes
- lungs
- brains
- kidneys
output: kidneys

Q: Q: What gas is expired out of the body during exhalation? A:

OPTIONS:
- carbon monoxide
- hydrogen
- oxygen
- carbon dioxide

A: carbon dioxide

input: OPTIONS:
- natural
- chronic
- inflammation
- immune Now, answer this question: Q: What type of systemic response involves lymphocytes? A:
A:
output: immune

Q: What is the amount of force pushing against a given area? A:

OPTIONS:
- inertia
- power
- energy
- pressure

Answer: pressure

Problem: OPTIONS:
- carbon cycle
- sedimentation cycle
- photosynthesis
- nitrogen cycle
Q: Q: What cycle vital to plants includes a process called denitrification? A:
Answer: nitrogen cycle

Q: What causes light to refract? A:

OPTIONS:
- speeding up
- blinking
- bending
- slowing down

Answer:
slowing down