Identify the major structures and functions of the respiratory system.
DefinitionIdentification should include the structures and functions of the respiratory system as follows:
- The nose functions to warm, moisten, and filter air.
- The pharynx is the passageway for air and food.
- The larynx functions as the voice box.
- The trachea and bronchi function to convey air into the lungs.
- Alveoli are the air sacs where gas exchange occurs.
- What is the function of the diaphragm in the breathing process?
- What happens to oxygen when the hemoglobin is low? Why?
- How many alveoli are present in the lungs?
- How do the alveoli play a major role in emphysema?
Related Standards of Learning
The student will investigate and understand life functions of Archaea, Bacteria, and Eukarya. Key concepts include
- comparison of their metabolic activities;
- maintenance of homeostasis;
- how the structures and functions vary among and within the Eukarya kingdoms of protists, fungi, plants, and animals, including humans;
- human health issues, human anatomy, and body systems;
- how viruses compare with organisms; and
- evidence supporting the germ theory of infectious disease.