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From Our Gallery
Enhance your visual learning  Download and share pictures with your free membership.
What better way to learn than with access to over 35,000 diagrams, photos, and illustrations.
 275
Some skeletal differences between a knuckle-walking gorilla and a bipedal human
 4617
Major structures of the human brain.
 225
Early Earth
 351
Pollen on stigmata - blanket flower (Gaillardia grandiflora)
 346
The reflex arc
 266
Persistent Juvenile Traits in Salamanders
 15753
The ovarian and uterine cycles in a human female.
 155
Red Algae
 1845
DNA Among Species of Hominids
 4522
Variation in shape and length of nerve cells.
 143
Sketch of Euglena gracilis
 126
Loxioides bailleui
 108
Interphase in Plant and Animal Cells
 101
Miller's Experiment
 268
Evolution of hominids
 215
Types of Synapses
 235
Control of Respiration
 941
Phobos in color by Mars Reconnaissance Orbiter - HiRISE
 705
All human organ systems and their functions (Part 1)
 296
Nonanthropoid Primates: Lemur
 401
James Watson and Francis Crick’s metal-and wire model of DNA
 1064
Bullet Ant
 12578
Development of an atherosclerotic plaque that progressively narrows the lumen of an artery to the po
 1406
Hemoglobin
 110
Proportional Changes During Skull Development: Human vs. Chimpanzee
 371
Location and organization of the spinal cord
 281
Adult sponge, with a porous, asymmetrical body.
 129
Fossil Skeleton: Ichthyosaur
 229
Evolutionary conservation of chromosome synteny
 177
Metabolic receptors
 8596
The roles of transpiration, cohesion, adhesion, and tension in long-distance water transport.
 259
Scorpion
 129
Trichomonas vaginalis
 31104
General Characteristics of Nervous Tissue
 236
Structure of a flight feather
 429
Complete Lifecycle of a Frog
 8642
Stages of transcription
 445
Cohesion–tension theory of water transport in vascular plants
 130
Plasmodium, a protist pathogen that causes malaria
 389
Trilateration GPS
 361
Body Plan of a Crocodile
 769
A zebra orchid (Caladenia cairnsiana) mimics the scent of a female wasp
 6200
Tooth Anatomy
 364
Typical leaf structure of eudicots (left) and monocots (right).
 256
Valves in veins prevent the backflow of blood
 319
Three Types of Neurons
 179
Genetically Modified Chicken
 260
Epicatechin
 350
Joint anatomy.
 23915
The structure of the placenta
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Calculating the Interest Rate in an Annuity (Using Excel)
Handling Partial Periods with Drop and Balloon Payments #finance #annuities
Future Value of Compound Interest Formula (How it Works and its Derivation)
Solving for the Number of Periods in an Annuity
Grade 6 Math Challenge: Average Speed 95% Get This Wrong!
Deriving the Geometric Series Sum Formula
Solving Promissory Note Problems - Calculating Discounting Time
Treasury Bill Calculations (T-bills)
Calculating Present Value of Annuity Due
Finance Trick to Paying off Your Mortgage Faster
Ordinary Simple Annuity Formula (How it Works and its Derivation)
Cavalieri's Indivisibles and the Area of a Circle
Calculating Real After Tax Interest Rate
Discount Loans Explained (when interest is paid upfront)
When in Rome (a tutorial on Roman numerals)
Online Flashcards
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Technician A says that the transmission range switch is located in the shift console Technician B says that the transmission range switch is operated by the manual shift linkage. Who is correct?
A) Technician A only      B)...
Quiz Me
Josh and his friends were watching a televised debate between two political candidates. When the candidates were asked by the moderator if they had accepted donations from any questionable sources, one of the candidates began to laugh nervously and...
Quiz Me
Lydia purchased a $100,000 150-day T-bill when the prevailing yield on T-bills was 4.5%. She sold the T-bill 60 days later when the prevailing yield was 4.2%. What interest rate, to the nearest 0.001%, did Lydia earn during the 60-day period?
Quiz Me
The vehicle speed sensor is located ________.
A) Near the rear drive axle      B) At the front wheel speed sensor
C) At the transmission output shaft      D) In the speedometer
Quiz Me
Wendy will soon turn 33. She wants to accumulate $500,000 in an RRSP by her 60th birthday. How much larger will her annual contributions have to be if they are made at the end of each year (from age 33 to age 60) instead of at the...
Quiz Me
The order reads: D5W at 145 ml/hr. IV for 8 hours. Using the ratio and proportion method, determine how many milliliters the patient will receive in 8 hours. Show your work.
Answer:  145 ml = 1 hr.
x ml = 8 hr.

x = 1,160...
Quiz Me
__________ occurs when counselors experience affirming thoughts, feelings and beliefs after hearing about clients' adaptation to difficulties.
 
  A. Vicarious resiliency
  B. Internal stress
  C. Vicarious...
Quiz Me
The accepted term that is used to identify individuals whose IQ is in the mid-160s on an IQ test is
 
  a. radically gifted.
  b. extremely gifted.
  c. highly gifted.
  d. talented.

Quiz Me
Jones Company uses the retail inventory method. Given the following data, what is the ending inventory at cost? Sales at retail $80,000, net purchases at cost $41,200, net purchases at retail $66,800, beginning inventory at cost $22,400, and...
Quiz Me
Part C - Gamete formation in the F1 of polygenic crosses

As you have determined, the F1 is heterozygous for four loci that affect fruit segment number (A+ A 0 B+ B 0 C+ C 0 D+ D 0). This means that the F1 can produce 16 distinct gamete...
Quiz Me
What would be the best way to help a student who reads tape as tap and ate as at in a story?
 
  a. Teach or review short-vowel patterns and provide extra practice with short vowels.
   b. Teach or review...
Quiz Me
Guidelines to be followed during a crisis include all of the following EXCEPT:
 
  A) staying calm in order to acknowledge the crisis and offer hope.
  B) creating safety for everyone involved.
  C)...
Quiz Me
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