Osmosis Animation
Solutions..
Solutions..The Function of the Contractile Vacuole is
excretion osmoregulation The water content in the organism has to be regulated as there is a constant inflow of excess water. This is because the cell membrane surrounding the animal is semipermeable and as the protoplasm contains a higher concentration of salts than the water outs..
Transportation Introduction
Introduction - In unicellular organisms a single cell carries out all the life processes as the cell itself is the organism. In advanced forms like the few-celled algae, protozoa, sponges, etc., the size of the organism ensures that all the cells are not very far from each other. The uptake of mate..
Henle's loop
The glomerular filtrate flows in opposite directions in the two limbs of Henle's loop...
The glomerular filtrate flows in opposite directions in the two limbs of Henle's loop...Summary
In lower organisms, there is no transport system as the cells are in touch with the surrounding medium. The transport is by the physical processes like diffusion, osmosis, etc. With the advancement in structure, the organisms have to evolve methods to transport nutrients and wastes. ..
Summary
Summary - In lower organisms, there is no transport system as the cells are in touch with the surrounding medium. The transport is by the physical processes like diffusion, osmosis, etc. With the advancement in structure, the organisms have to evolve methods to transport nutrients and was..
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