Search results for: 'Life cycle of Porphyra Animation.'

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By: HWC, Views: 4973

Osmosis is when a solvent, such as water, moves from a low-solute concentration solution to a higher-solute concentration solution through a semipermeable. Osmosis is an example of diffusion (a special case of diffusion) in which the molecules are water, and the concentration gradient occurs a...

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Electrical changes in the heart

By: HWC, Views: 7562

• ECG: Graph of the voltage changes that occur during the cardiac cycle. • Readings are taken by electrodes placed on the surface of the body. • Electrodes detect voltage changes caused by the electrical activity of the heart. • P wave = atrial excitation (atrial depolarization). ...

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Introduction to Body Systems Animation

By: Administrator, Views: 751

Systems: A group of different organs functioning together for a common purpose.

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Leg Movement Animation

By: Administrator, Views: 392

This animation shows a list of muscles found in the leg used for movement

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Normal and abnormal blood pH

By: HWC, Views: 7775

• Dissociation of the chemical substances in the body fluids can result in the production of free hydrogen ions. • The pH scale is used to measure the concentration of hydrogen ions in solution. • Normal blood pH values vary around 7.4. • When hydrogen ion concentration increases, t...

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Four Giant Convection Cells oF Earth

By: HWC, Views: 7040

Earth Has Four Giant Convection Cells Earth's climates range from dry and cold at the poles to wet and warm at the equator. These climates are dictated largely by the amount of solar radiation that a region receives. Solar radiation warms the Earth and the surrounding air, setting up convection c...

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Interview with Person having Obsessive Compulsive Disorder

By: Administrator, Views: 10687

Obsessive–compulsive disorder (OCD) is a mental disorder in which a person feels the need to perform certain routines repeatedly (called "compulsions"), or has certain thoughts repeatedly (called "obsessions"). The person is unable to control either the thoughts or activities for more than a sh...

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Wound Repair Animation

By: Administrator, Views: 10717

A wound is an injury to living tissue caused by a cut, blow, or other impact, typically one in which the skin is cut or broken.

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Introduction to Genetics

By: Administrator, Views: 10629

Genetics is a branch of biology concerned with the study of genes, genetic variation, and heredity in organisms. Gregor Mendel, a scientist and Augustinian friar, discovered genetics in the late 19th-century. Mendel studied "trait inheritance", patterns in the way traits are handed down from p...

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