Answer the following question given this paragraph: (left) The human respiratory system is only part of the story of respiration. Diaphragm, lungs, and trachea take air deep into the body and provide oxygen gas to the bloodstream. The fate of that oxygen is the story of cellular respiration. (center) Spiracles in this Cluentius Sphinx ( Neococytius cluentius ) caterpillar connect to a system of internal tubes (tracheae), which carry oxygen throughout the animal's body. (right) Gills in this alpine newt larva, Ichthyosaura alpestris , bring blood close to an extensive surface area so that the newt can absorb dissolved oxygen gas from its watery habitat. Q: Diaphragm, lungs, and trachea take air deep into the body and provide oxygen gas to what? Choices: - molecules - heart - brain - bloodstream A:
bloodstream

Answer the following question given this paragraph: The temperature dependence of solubility can be exploited to prepare supersaturated solutions of certain compounds. A solution may be saturated with the compound at an elevated temperature (where the solute is more soluble) and subsequently cooled to a lower temperature without precipitating the solute. The resultant solution contains solute at a concentration greater than its equilibrium solubility at the lower temperature (i. , it is supersaturated) and is relatively stable. Precipitation of the excess solute can be initiated by adding a seed crystal (see the video in the Link to Learning earlier in this module) or by mechanically agitating the solution. Some hand warmers, such as the one pictured in Figure 11.18, take advantage of this behavior. Q: The temperature dependence of solubility can be exploited to prepare what solutions of certain compounds? Choices: - mineralized - isolated - instantiated - supersaturated A:
supersaturated

Answer the following question given this paragraph: The rate at which a device changes electric current to another form of energy is called electric power . The SI unit for powerincluding electric poweris the watt. A watt equals 1 joule of energy per second. High wattages are often expressed in kilowatts, where 1 kilowatt equals 1000 watts. The power of an electric device, such as a hair dryer, can be calculated if you know the voltage of the circuit and how much current the device receives. The following equation is used:. Q: What unit of power is equal to 1 joule of energy per second? Choices: - hertz - byte - volt - watt A:
watt