- What is the name of the flap-like cartilage that covers the opening to the larynx during swallowing, preventing the entry of food into the airways?
- During expiration, alveolar pressure is ______ than atmospheric pressure
- The _________nerve carries impulses that stimulate the muscle fibers of the diaphragm to contract.
- The products of mucous, chief, and parietal cells is ______ _____
- thorax increases in volume, external intercostals contract, ribs move up and out, diaphragm moves inferiorly
- air always moves from an area of _______ pressure to an area of _____ pressure
- A the volume of a chamber decreases, the pressure ________. as the volume increases, pressure ________
- when the diaphragm contracts, alveolar pressure ________
- during inspiration, alveolar pressure is _______ than atmospheric pressure
- Warms, filters, and moistens air as it enters respiratory tract
- in the cardiovascular system, what vessels are the site of nutrient, gas, and waste exchange?
- Conveys air from larynx to bronchial tree
- Branching structures carrying air to alveoli
- Respiratory organs; comprised of airways and air sacs
- Conveys air from nasal cavity to larynx
- Entry point for airflow during inspiration
- Parietal cells secrete _________ which activates pepsinogen
- carbon dioxide diffuses from _____ to ______ at the arterial end of the systemic capillaries
- What is the exchange of gases between the alveolar air and the blood called?
- the bony processes that curl out from the lateral walls of the nasal cavities, serving to stir up the air as it is inhaled