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In nephron, waste substances are filtered out of the blood. The first stage is done in the glomerulus, but here too much gets excreted out of the blood. So later on some substanges are absorbed into the blood again.
Welcome to this educational aid for teachers and students of biology or medicine!
It contains drawings, images and virtual reality worlds enhancing the understanding of biological structures.
You need Java running on yor computer in order to see the virtual reality worlds.
Note: In Contents panel (Sh) means Shout3D technique (Java required) while (Vr) means VRML technique (VRML plugin required)
