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Home > All Images > 1998 > February > 24 Feb 1998

Images Dated 24th February 1998

Choose from 25 pictures in our Images Dated 24th February 1998 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Artwork of sectioned heart with healthy ECG trace Featured 24 Feb 1998 Print

Artwork of sectioned heart with healthy ECG trace

Heart nerve conduction. Illustration of a section through a human heart with an electrocardiogram (ECG) trace. The heart is a hollow muscle that pumps blood around the body. ECG traces show the pumping of the heart as a series of waves caused by the electrical impulses that coordinate heart muscle contraction. The impulse starts at the oval sinoatrial node (yellow, at upper left) causing the two small upper heart chambers (atria) to contract. The impulse then runs down the nerve fibres (yellow) to the oval atrioventricular node (green, at upper centre). The two large lower heart chambers (ventricles, dark pink) then contract. ECG is vital for heart monitoring

© JOHN BAVOSI/SCIENCE PHOTO LIBRARY

Pine Marten (Martes americana) Northern North America Featured 24 Feb 1998 Print

Pine Marten (Martes americana) Northern North America

© Mc Donald Wildlife Photog. / Animals Animals/Earth Scenes

Aa Photographer, Action, Adult, Age, Animal, Animalia, Botany, Branch, Branches, Caniformia, Carnivora, Carnivore, Carnivores, Chordata, Eutheria, Individual, Joe Mc Donald, Joe Mcdonald, Location, Mammal, Mammalia, Marten, Martes, Martes Americana, Mc Donald Wildlife Photog, Mcdonald Wildlife Photog, Melinae, Mellivorinae, Mustelid, Mustelidae, Mustelids, Mustelinae, Mustilidae, Number, Out Side, Outdoor, Outdoors, Perch, Perched, Perching, Pine Marten, Pinnipedia, Plant Detail, Single, Taxidiinae, Theria, Tree, Vertebrata, Wild Life