1. The general equation for cellular respiration is: A) carbon dioxide + oxygen → glucose + water + energy ) glucose + oxygen → carbon dioxide + water + energy C) energy + glucose → carbon dioxide + oxygen + water D) carbon dioxide + water → glutse + oxygen + energy 2 How does hyperventilation change blood carbon dioxide levels? B) increases carbon dioxide levels D) makes levels fluctuate up and down A) decreases carbon dioxide levels C) no affect E) effect varies from person to person 3. An animal that has a body temperature that varies with the temperature of their surroundings is called a A) homeotherm C) heterotherm E) autotherm B) endotherm D) poikilotherm 4· The common name for the trachea is the C) windpipeD) throat E) gut A) voice box B) air sac What structure heats, humidifies, and filters air A) nasal cavity 5. B) alveolar duct C) larynx D) epiglottis E) esophagus