Diffusion and Osmosis. The Cell Membrane The cell membrane is: Selectively permeable Permeable = Pass through (Latin) Cell membrane = Gate-Keeper.
Section Objectives Explain how the processes of diffusion, passive transport, and active transport occur and why they are important to cells. Predict.
Chapter 3 Diffusion and Osmosis. By the end of the lesson, you should be able to define and describe diffusion, osmosis and active transport to describe.
Homeostasis – Process by which organisms maintain a relatively stable internal environment; All organisms have ranges that are tolerated (i.e. pH and.
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Regents Biology Human Physiology: Unit-1 Source: Collected from various sources on the internet and modified by Dr Boominathan Ph.D. BY DR BOOMINATHAN.
Homeostasis How everything keeps from blowing up, falling apart, self-destructing, dying from diseases, and, in general, getting along fine from one day.
Cell Membrane I.HOMEOSTASIS: internal “steady state” maintained by the body 1. What is the cell membrane made of? – Phospholipid bilayer Hydrophobic tails.
Plasma Membrane Notes. About Cell Membranes 1.All cells have a cell membrane 2.Functions: a.Controls what enters and exits the cell to maintain an internal.
Chapter 6 Barriers of the Body Interfaces with the outside.
Cells` “The smallest functional unit of life”. Cell theory Cells are the structural and functional unit of life What an organism does is determined by.
Airway Management. Airway Physiology Upper Airway Begins at mouth and nose –Air is warmed and humidified in nasal turbinates Jaw Throat / Pharynx –Oropharynx.