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Enhance your visual learning  Download and share pictures with your free membership.
What better way to learn than with access to over 25,000 diagrams, photos, and illustration?
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Parenteral medication administration. The angle of needle insertion for four different types of pare
 577
Features of the skull of archaic Homo sapiens.
 1286
Left: This web was woven by a 17-day-old spider, showing regular patterns. Right: This web was woven
 470
Classification of open injuries.
 1120
The blue-ringed octopus (Hapalochlaena lunulata) is highly poisonous.
 479
With the research technique called brainbow, each neuron is labeled with a different color, ...
 110
Scrubbers
 7847
Generalized flower structure.
 398
An X-ray of arthritic joints of the wrist and hand.
 455
Fast axonal transport of vesicles.
 1356
The Dederiyeh I infant from Syria preserves nearly the entire skeleton of a 17- to 19- month-old Nea
 12148
Diabetes mellitus. The metabolic disease diabetes mellitus, with symptoms of polydipsia, polyuria, a
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Sources and Types of Air Pollution
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Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial
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Earth’s Revolution and Rotation: The Causes of Earth’s Seasons
 1393
Life of a Medical School Student
 794
Argentina's pink fairy armadillo
 1105
The Tree of Life
 247
Muscles Spindles.
 1251
Changes in metabolic rate of selected structures in a mammal's body during different activities
 1398
White blood cells
 3917
The 15 terrestrial ecozones in Canada.
 1068
Fruit dove
 93
Physical Activity Pyramid
 12514
Diadophis punctatus regalis
 3539
The Reticular Activating System and Related Regions in the Brain Are Important Areas of Focus for D
 442
Synthesis of proteins on the endoplasmic reticulum.
 3642
Formation of an atherosclerotic plaque within a coronary artery; may lead to coronary artery disease
 1076
Actions of flexors and extensors.
 1817
Baby Gorilla versus Baby Human
 19685
Comparative structure of arteries, capillaries, and veins.
 24342
Thymus gland. (A) Appearance and position; (B) with anatomic structures.
 1183
A closer look at the reproductive cycle of human immunodeficiency virus (HIV)
 2898
Negative feedback as a mechanism by which homeostatic control systems operate.
 592
Sam Houston—and his horse—earned this heroic tribute. At the Battle of San Jacinto, a musket ball sh
 409
Fossils of hand and foot bones of Homo naledi
 707
Facial Expressions in a New Guinea Tribesman
 1188
Evolution of Primate Species
 88
How Petroleum is Refined
 9747
Skull Inferior View Labeled
 19835
An example of color blindness test. A person with red-green color blindness would not be able to dis
 3552
Breast Cancer Cell
 352
Types of kidney stones found in an adult.
 559
Features of the skull of anatomically modern Homo sapiens.
 998
Birds on a tree
 420
The Scientific Method and Atmospheric Science
 919
The beautiful blood vessels of the human body
 1094
Tiger quoll sleeping at the window of the nocturnal animals exhibit at Sydney Wildlife World
 113
Lipoproteins The various types of lipoproteins and their composition
 9462
Stages in Wound Healing
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