Fact 1: Echinoderms lack respiratory and excretory systems. Fact 2: Lung mechanics and gas exchange are topics during study of the respiratory system. Given the two facts above, what do Echinoderms lack?
OPTIONS:
- Lungs
- Mass
- oxygen
- eardrum
- gills
- ovaries
- Organs
- Bodies

Answer: Lungs

Question: Fact 1: Plasma cells are activated B cells that secrete antibodies. Fact 2: Antibodies are produced to fight antigens. Given the two facts above, what do plasma cells secrete?
OPTIONS:
- Chemical energy
- h2o
- oxygen
- antigen fighters
- harmful substances
- bioaerosols
- mucus
- Organic compounds
Answer: antigen fighters

input with options: Fact 1: Natural disasters can cause animals to leave an environment. Fact 2: Floods are the most common natural disaster. Given the two facts above, what can cause an animal to leave an environment?
OPTIONS:
- wind
- influenza
- drought
- Pollution
- mines
- floods
- chemicals
- coal
output: floods

Q: Fact 1: Dilation occurs when cell walls relax. Fact 2: An aneurysm is a dilation, or bubble, that occurs in the wall of an artery. Given the two facts above, what can be relaxed by dilation?

OPTIONS:
- artery
- alveoli
- the eyes
- the skin
- nerves
- sweating
- epidermal
- breathing

A: artery

input: OPTIONS:
- sweating
- Decibels
- forces
- nerves
- heat
- bones
- muscles
- arteries Now, answer this question: Fact 1: Nerves can be used to feel heat and pressure on the skin. Fact 2: Tight fitting shoes can increase the pressure on the skin and exacerbates the pain. Given the two facts above, heat and pain may be felt on the skin because of what?
A:
output: nerves

Question: Fact 1: Water vapor cooling causes that water vapor to condense. Fact 2: All lenses are anti-fog coated to eliminate condensation. Given the two facts above, what could cause lenses to fog?
OPTIONS:
- energy of moving objects
- Transpiration from plants
- Water evaporating
- heating liquids
- Water vapor cooling
- Ice sublimating
- scattered light
- The atmosphere
Answer:
Water vapor cooling