In this animated object, learners examine the eight cranial bones, the fourteen facial bones, and the ribs.

In this interactive object, learners review the case of a patient with meningococcal meningitis.

In this animated activity, sexual reproduction in animals is contrasted with the alternation of generation lifecycle of plants.

Learners read and listen to the pronunciation of hundreds of medical terms that are arranged in a "jukebox." The terms are listed alphabetically and according to the following categories: aerobic and anaerobic microorganisms, blood bank, coagulation, fungi microorganisms, hematology, protozoa, and urinalysis. This learning activity requires a computer that is equipped with speakers.

In this learning activity you'll use the Empirical Rule to calculate the percentages of data between two data points.

In this learning activity you'll calculate the numeric value of an area when given the z scores.

In this learning activity you'll explore normal distribution and enter values for the mean and the standard deviation of normally distributed data and observe the resulting changes in the shape of the normal curve.

In this learning activity you'll identify and calculate the area under the normal curve specified by given z-scores.

4 stages of the plant cycle and photosynthesis

fruit characteristics