Remedy Health Media
Health Central: Heart Disease
This resource provides an overview about heart disease.
Khan Academy
Khan Academy: Chronic Myelogenous Leukemia and the Philadelphia Chromosome
Read this passage and study the graphic to complete the five-question quiz related to the Chronic myelogenous leukemia and Philadelphia Chromosome.
Khan Academy
Khan Academy: Blood Oxygen Levels May Determine Cardiac Muscle Regeneration
Practice for the MCAT by answering questions based on the given bar graphs showing apoptosis and cytokinesis rates.
Khan Academy
Khan Academy: Molarity vs.osmolarity
Molarity and osmolarity are two distinct concepts. Molarity (M) is the number of moles of solute per liter of solution. The unit of molarity is the mole (mol). Osmolarity (Osm/L) is the total concentration of all solutes in the solution....
Khan Academy
Khan Academy: Molarity vs. Molality
Learn how molarity and molality differ. The molality of a solution is equal to the moles of solute divided by the mass of solvent in kilograms, while the molarity of a solution is equal to the moles of solute divided by the volume of...
Khan Academy
Khan Academy: The Mole and Avogadro's Number
An explanation the mole (named for molecule) and Avogadro's Number. One mole of a substance is equal to 6.022 times 10 to 23rd power units of that substance (such as atoms, molecules, or ions). The number 6.022 time 10 to 23rd power is...
Khan Academy
Khan Academy: Introduction to Lab Values and Normal Ranges
An introduction to lab values and normal ranges of a blood analysis. A universal model for lab values is explained. Reasons for a value not being with a normal range is discussed.
Khan Academy
Khan Academy: Introduction to Lab Values and Normal Ranges
An explanation of lab values following a blood test using a universal model. Also discussed are reasons why a number may be outside of a normal range. These variances include: age, gender, individual laboratory techniques, and the given...
Khan Academy
Khan Academy: What Is Equivalent?
The equivalent is the amount of a substance which will either react or supply with one mole of hydrogen ions and acid-base reactions or do the same with one mole of electrons in a redox reaction.
Khan Academy
Khan Academy: Units for Common Medical Lab Values
Comparing and contrasting the amount of elements and function (hormone or enzyme activity in lab values.
Khan Academy
Khan Academy: What's Inside Blood?
An explanation of blood from the time it is drawn from the arm to its centrifugation to an analysis of the three components of plasma, white blood cells, and red blood cells.
Khan Academy
Khan Academy: Molarity, Molality, Osmolarity, Osmolality, and Tonicity What's the Difference?
See how each of these terms tells us something different about a solution.
Khan Academy
Khan Academy: Calculate Your Own Osmolarity
Learn how to use three lab values (Sodium, glucose, and BUN) to approximate your plasma osmolarity.
Texas Heart Institute
Texas Heart Institute: Heart Information Center: Anatomy of the Heart
One-page overview containing a detailed labeled diagram of the anatomy of the heart including the valves, conduction system, and circulatory system.
Florida State University
Florida State University: Aquatic Snail Movie #1
In this short video, you will see the rippling and pulsing of a snail along with a view of the circulatory system. This site also provides background information on the aquatic snail.
Science Museum of Minnesota
Lesson Plan: Valves and Pumps
In this interesting site, students see how valves and pumps work together to move blood through the circulatory system. Site contains related links.
Texas Heart Institute
Texas Heart Institute: Anatomy of the Human Heart
Take an interactive tour of the human heart. Click on each part of the illustration to read more information about each structure.
University of Illinois
University of Illinois Urbana Champaign: The Heart of the Matter
A good quick look at the comparative anatomy of the heart of a typical bird and the human heart. Gives some of the facts behind the differences.
Science Bob Pflugfelder
Science Bob: Body Zone: The Heart
An introduction to the different regions of the heart, along with a description of the hearts function. A good overview site.
Treehut
Suzy's World: Blood
Use this site to find out why your body needs blood with this quick fact sheet. You can also try an experiment with your pulse.
Curated OER
Kids Health: Tu Corazon Y Sistema Circulatorio
Read about how your heart works and learn about the different parts of the heart.
Science Museum of Minnesota
Lesson Plan: Go With the Flow
In this effective site, students will name the parts of the heart and trace the flow of blood through the body. Contains related links.
Science Museum of Minnesota
Habits of the Heart: Lessons: Blood Circulation
Teacher directed lesson where students dramatize the flow of blood through the heart.
Treehut
Suzy's World: Heart
Find out why your heart beats and perform an experiment to see your pulse moving.