Answer the following question given this paragraph: The cut on your hand may become red, warm, and swollen. These are signs of an inflammatory response. This is the first reaction of the body to tissue damage or infection. As explained in Figure below , the response is triggered by chemicals called cytokines and histamines , which are released when tissue is injured or infected. The chemicals communicate with other cells and coordinate the inflammatory response. You can see an animation of the inflammatory response at this link: http://www. sumanasinc. com/webcontent/animations/content/inflammatory. html . Q: The first reaction of the body to tissue damage or infection is called the what response? Choices: - defensive - harmful - retaliatory - inflammatory A:
inflammatory

Answer the following question given this paragraph: If water gets hot enough, it starts to boil. Bubbles of water vapor form in boiling water. This happens as particles of liquid water gain enough energy to completely overcome the force of attraction between them and change to the gaseous state. The bubbles rise through the water and escape from the pot as steam. Q: When water particles become hot enough to overcome the force of attraction between them, what happens to the water? Choices: - it freezes - it pools - it evaporates - it boils A:
it boils

Answer the following question given this paragraph: Another measure of the effectiveness of a machine is its mechanical advantage. Mechanical advantage is the number of times a machine multiplies the input force. It can be calculated with the equation:. Q: Another measure of the effectiveness of a machine is its what? Choices: - aesthetic effect - cost benefit - chemical advantage - mechanical advantage A:
mechanical advantage