Distal end

Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..

If New Zealand has lots of unique animals, it's also got a whole lot of unique plants. Find out more about some of them,..

The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..

Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..

It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..

A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..

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