07.02 Respiratory And Circulatory Systems

Question: How do the respiratory and circulatory systems work together?

Answer: To carry oxygen to the body’s cells and to remove carbon dioxide from those cells.

Question: What are the main functions of the respiratory and circulatory systems?

Answer: The main function of the respiratory system is to exchange these gases with the environment. A major function of the circulatory system is to transport the gases between the respiratory system and other parts of the body.

Question: What do all cells require a constant supply of?

Answer: Oxygen to undergo cellular respiration.

Question: Nose

Answer: The tissues inside your lungs are very delicate, so the main function of the nose is to filter, moisten, and warm the air as it enters the respiratory system.

Question: Pharynx

Answer: Air moves from the nose into a cavity at the back of the mouth called the pharynx, or throat, which serves as a passageway for both air and food.

Question: Larynx

Answer: Is found between the pharynx and trachea.

Question: Trachea

Answer: Air moves from the pharynx into the trachea, sometimes called the windpipe.

Question: Lungs and Bronchi

Answer:

Question: Alveoli

Answer:

Question: Diaphragm

Answer: A thin sheet of muscle that forms the bottom wall of the chest cavity.