The bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation.
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Respiration
The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides details of the different parts and functions of the respiratory system...
Animal Water Regulation
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understand how animals adapt to their habitat. For instance, how animals thrive in aquatic habitat and are able to overcome osmosis. It also sheds light on the reasons animals adapt...
Still Water Community Plants
This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize yourself with these various adaptations as well as their nutritional requirements obtained not from the soil but from freshwater...
Water in Plants
The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tutorial will be more or less a quick review of the various principles of water motion in reference to plants. ..
Genetic Control – On and Off Genes
Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's survival. Find out in this lesson the various factors that affect growth. ..
Biological Cell Introduction
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'miniature machines' known as organelles. Read this tutorial to become familiar with the different cell structures and their functions...