Where does gas exchange happen? How would you explain diffusion? Define the term partial pressure, and explain how it influences gaseous exchange in the capillary beds of alveoli and tissues. The absorption or emission spectrum of a gas consists of lines that broaden as the den...
The universal answer given to the question 'Why do large animals have lungs, gills, or other structures specialized for gaseous exchange while smaller animals manage by diffusion?' is that the larger an organism the smaller its surface area to volume ratio. This argument makes two implicit ...
(b) Why does this change occur? Ventilation: The process of ventilation is defined as the inspiration and expiration or gaseous exchange between the environment and lungs. During respiration, the ribs move upward and outward through the contraction of the intercostal muscl...
Why does any of this matter? It matters because, if we are right, two important scientific conclusions follow. First, by the energy-budget method it is possible to demonstrate that, using mainstream, midrange data, ECS is likely to be as little as 1.1 K, and is necessarily as little a...
I'm not an economist, so there's no way I can explain this as well as the book does, but it's a principle of stack exchange that I try not to leave link-only answers. The gist of these chapters can be summarized by the quote Usually when things suck,...
The sun, being a gaseous sphere, has no solid surface, nor could any molecular solid exist at such incredible temperatures. The Sun does, however, have a nearly opaque surface. . . a sea of gaseous firestorms known as the photosphere....
Give the biological reason why living organisms like plants need to perform gaseous exchange with the environment. Why haven't bacteria evolved to be multicellular? Why do biologists construct "a tree of life"? Why aren't there more plants that form symbiotic, nitrogen-fixing associations?
Give the biological reason why living organisms like plants need to perform gaseous exchange with the environment. Why has the kingdom Protista been abandoned? A. Some protists are multicellular. B. The kingdom Protista is polyphyletic. C. Some protists are more closely relat...
After gaseous exchange occurs between the alveoli and the capillaries, what two vessels bring the now oxygenated blood to the left atrium? The pulmonary vein connects to the: a. left atrium b. left ventricle c. right atrium d. right ventricle Whic...
Give the biological reason why living organisms like plants need to perform gaseous exchange with the environment. What is the two major types of root system in plants? Why are plants referred to as producers? Explain with reference to food web...