Learners observe how a blood drop in flight continually accelerates and increases in velocity over time. As the drop falls, resistance accumulates. The increase in stain diameter relative to distance of a typical 50 ml drop of blood is represented here. This activity has audio content.

In this learning activity you'll review the facts and interpretations of this court case, determine a verdict, and respond to questions.

Discover how to select the correct fingerprint powder, the proper dusting and collecting techniques, and how to fill out an evidence card.

This video illustrates what can happen in a court room when chain-of-custody procedures for collecting evidence are either ignored or not carried out properly.

In this animated and interactive object, learners examine the structure and functions of granulocytes and agranulocytes. Two exercises complete the activity.

In this animated and interactive object, learners examine ABO blood antigens and Rh antigens and their compatibility.

This learning object will help the student identify normal blood cells and their functions. This will include the identification of red blood cells, five types of white blood cells, and platelets.

Learners play a game of Tic-Tac-Toe to test their knowledge of non-malignant qualitative and quantitative disorders of white blood cells.

Learners examine the different stages of maturation for red blood cells, white blood cells, and platelets. A quiz completes the activity.

Health science review game

Let's see how much you know about anticoagulants!

plasma-membrane

Mosquito-borne virus