01:146:356 Lecture Notes - Lecture 7: Humidifier, Vital Capacity, Simple Squamous Epithelium
23 Mar 2016
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Those adrenal glands are one of the important sources of sex steroids. The rib is really adrenal gland in adam and eve"s rib story. Diffusion of respiratory gases in uni- vs multi-cellular organisms with (d) and without (a-c) 4-chambered hearts (fig 25-1) Convection-bulk movement of a gas or a liquid like the plumbing in your house. Can be referred to as bulk flow (unicellular) diffusion- no bulk flow. Convection inside or outside the organism- introduce the context of gradient. Humans + mammals, gradients are large and fairly complex. Dalton"s law: in an environment containing a mixture of pressures the total pressures of those gases are equal to the sum of the partial pressures of the individual gases. Gases in air: nitrogen, oxygen, argon, carbon dioxide. Each one exerts a partial pressure, makes up a barometric pressure (total pressure in the room). Partial pressure of individual gas= only need to know total pressure and mole fraction or.
