BIOL 141 Exam 3 PSU Zeman Questions and Correct Answers/ Latest Update / Already Graded

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BIOL 141 Exam 3 PSU Zeman Questions
and Correct Answers/ Latest Update /
Already Graded
three process of respiration

Ans: pulmonary ventilation
gas diffusion
gas transfer


pulmonary ventilation

Ans: physical movement of air into lungs


gas diffusion

Ans: across the respiratory membrane


gas transport

Ans: to tissues in the body


2 parts of respiratory tract

Ans: conduction and respiratory portion



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Conducting Portion

Ans: site of ventilation (movement of air), nose to bronchioles


Respiratory Portion

Ans: Site of respiration (exchanging CO2 and O2... bronchioles
and alveoli


Three pressures of ventialtion

Ans: intrapleural pressure
atmospheric pressure
intrapulmonary pressure


intrapleural pressure

Ans: pressure between membranes


atmospheric pressure

Ans: air pressure outside the body


intrapulmonary pressure

Ans: air pressure in lungs

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Boyle's Law

Ans: pressure and volume are inversely related " The pressure
of a given quantity of gas is inversely proportional to its volume
(like blood in the heart, only applied to a gas instead of a liquid)


Gas moved from high pressure to low pressure that goes for our
body too


gradients of pressure cause air movement within our lungs


Pleura

Ans: membrane that encases the pleural cavity


visceral pleura

Ans: membrane that wraps the lungs


parietal pleura

Ans: membrane that wraps the body wall


inhalation

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