True or False: The primary function of the respiratory system is to bring oxygen into the body and remove carbon dioxide. True or False: Breathing is the mechanical process of inhaling fresh air and exhaling stale air. True or False: Respiration is a chemical process that takes place within cells to extract energy from food. True or False: The digestive system is responsible for producing oxygen in the cells. True or False: The nasal cavity warms, moisturizes, and filters air before it reaches the lungs. True or False: The epiglottis seals the windpipe (trachea) when you are eating to prevent food from entering the airway. True or False: The larynx, also known as the voice box, is involved in producing speech and singing sounds. True or False: The trachea is commonly referred to as the windpipe and provides a pathway for air to flow to and from the lungs. True or False: Oxygen enters the blood vessels from the alveoli in the lungs, while carbon dioxide exits the blood vessels into the alveoli. True or False: The diaphragm is a muscle below the rib cage that contracts to exhale air from the lungs.
