respiratory system
function of respiratory system
oversees gas exchange between blood and external environment
delivers oxygen/nutrients and removes waste products/carbon dioxide from body
cardiovascular system function
opening for digestive/respiratory systems
pharynx
pulmonary ventilation is
breathing
fills space between layers to protect heart
serous fluid
occupy most of thoracic cavity, apex near clavicle, divided into lobes
lungs
breathing in
inspiration
how many valves in the heart
4
vocal folds
larynx
breathing out
expiration
cardiac output
windpipe
trachea
volume of air exhaled per breath
tidal volume
arteries carry blood ____ heart, while veins carry blood _____ heart.
away from, to
gas exchange takes place within, covered with pulmonary capillaries
alveoli