This is the main organ in the respiratory system?
What is the lung?
This item looks like a bundle of grapes wrapped in netting?
What is the alveoli.
How does the lung do jobs for 2 body systems?
What is it removes wastes - excretory and brings in oxygen (respiratory)?
The surface area of the lungs is roughly the same size as a. a tennis court. b. TJMS c. a queen size bed
What is a. tennis court?
Air is forced into the lungs by the contraction of a dome shaped muscle called the
a. alveoli b. bronchi c. diaphragm d. heart
What is c. diaphragm?
Oxygen diffuses(passes) into the _________ because it moves from an area of high concentration (many) to an area of low concentration (few) ?
What is bloodstream or capillaries?
Both excretory and respiratory needs are met in this one organ?
What is lung?
The structure that prevents the passage of food from the pharynx into the lungs?
What is the epiglottis?
The lung inflates and deflates as this muscle underneath it contracts and relaxes.
What is the diaphragm?
The structure where gas exchange occurs?
What is the alveoli?
Oxygen diffuses (passes)from alveoli into the __________ that surround them?
What is capillaries?