Respiratory system

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Across
  1. 3. diaphragm and intercostal muscles contract and lungs increase in size
  2. 5. brings air from the atmosphere into the lungs, removes carbon dioxide from the blood, transfer oxygen into blood, allows vocal cords to create speech
Down
  1. 1. increased heart rate, vasodilation, blood redistribution, increased blood pressure
  2. 2. intercostal muscles relax and the diaphragm domes upwards
  3. 4. sweating, heavier breathing, throbbing