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What is the diffusion of water through the cell membrane?
It's so easy osmosis is the answer You welcome
What is the function of simple squamous epithelium of the alveoli?
The alveoli is just one cell layer thick so that diffusion of gasses between the capillaries and the alveoli is easy. Simple squamous epithelium are found in the capillary walls and the alveolar walls. They are thin so diffusion is easy.
How does a single celled organism get its nutrients?
Easy!! diffusion.. because single celled organisms have a large surface area to volume ratio meaning that there exchange surface is large enough to allow efficient diffusion fast enough to keep the cells alive (1 cell.. lol ). they also aren't very active they can rely on diffusion alone to take up water and other important solutes.. Diffusion through osmosis occurs in single celled organisms when they have a lower water potential inside the cell than outside so water flows into the cell (down the concentration gradient) via a partially permeable membrane. hope that helped from Kate Gibson 16
Why are the walls of the alveoli one cell thick?
The reason for this is that oxygen and carbon dioxide need to diffuse through this membrane very quickly to re-oxygenate the blood. The thicker the barrier, the longer the process, and since breathing is rather rapid it needs to happen fast.
What large single cell is very easy to see?
Genetic Cell
What is the diffusion of water through the cell membrane?
It's so easy osmosis is the answer You welcome
What is the diffusion of water through the cell membrane.?
It's so easy osmosis is the answer You welcome
What is the function of simple squamous epithelium of the alveoli?
The alveoli is just one cell layer thick so that diffusion of gasses between the capillaries and the alveoli is easy. Simple squamous epithelium are found in the capillary walls and the alveolar walls. They are thin so diffusion is easy.
How does a single celled organism get its nutrients?
Easy!! diffusion.. because single celled organisms have a large surface area to volume ratio meaning that there exchange surface is large enough to allow efficient diffusion fast enough to keep the cells alive (1 cell.. lol ). they also aren't very active they can rely on diffusion alone to take up water and other important solutes.. Diffusion through osmosis occurs in single celled organisms when they have a lower water potential inside the cell than outside so water flows into the cell (down the concentration gradient) via a partially permeable membrane. hope that helped from Kate Gibson 16
Why do capillaries permit the diffusion of materials whereas arteries and veins do not?
why do capillaries permit the diffusion of materials, whereas arteries and veins do not? Because the capillaries are the only blood vessels whose walls are thin enough to permit exchanges between the blood and the surrounding interstitial fluid
How easy or hard is it for polar molecules to pass through the cell membrane?
Polar molecules are effectively charged molecules. It's hard for them to cross the cell membrane because the membrane is comprised of an uncharged phospholipid bilayer. Charged molecules tend to have specific protein channels that allow them to cross the membrane.
What type of diffusion takes place when a plant cell absorbs water?
The plant cell absorbs water by simple diffusion and osmosis. Also water can pass from cell to cell through the Plasmodesmata (which are communication channels through the cell wall from cell to cell, providing a very easy and important method for water transportation between the cells ). Also, the large area inside the cells occupied by the vacuoles increases the osmotic pressure ,and that in turn facilitates diffusion. It's note worthy that water passes through many different types of diffusion before reaching the cell environment where it will be absorbed by simple diffusion as we have said. To give you an example about the journey of water from the roots to the cells, the plant vessels absorb water by using methods like diffusion and active transport. In the Phloem, Sucrose is absorbed by active transport ( a process that increases the osmotic pressure ) and as a consequence water enters inside it by osmosis.
Why are capillaries thin walled?
Capillaries are one cell thin so that the red blood cells can easily exchange oxygen that they picked up in the lungs, with the bodies cells.
Why are the walls of the alveoli one cell thick?
The reason for this is that oxygen and carbon dioxide need to diffuse through this membrane very quickly to re-oxygenate the blood. The thicker the barrier, the longer the process, and since breathing is rather rapid it needs to happen fast.
How are red blood cells specialized to exchange gasses?
Gaseous excange takes place in the alveoli of the Lungs during respiration
Why aren't children allow sellphones?
They're a distraction ! It's far too easy fro them to get engrossed in using a cell phone - than to concentrate on their schoolwork.
What large single cell is very easy to see?
Genetic Cell
