If you've ever had an injection, the horseshoe crab protects you from infection! Young marine biologists discover how scientists use the unique physiology of the horseshoe crab in medicine with a thought-provoking video. The narrator...

Blood passes through the kidneys about 300 times a day. Show your class how the kidney and bladder work together to filter blood in the excretory system. This 19th video in the series explores how the circulatory and respiratory systems...

The average person's heart beats about three billion times during their lifetime. In this circulatory system video, learners briefly see the difference between an open and closed circulatory system. The rest of the video focuses on the...

Sharpen up those scalpels, it's time to dissect some frogs! This step-by-step guide walks young biologists through this surgical process, helping them to identify major organs and unique anatomical characteristics of these amphibious...

Let your heart rejoice! A unique video explains in detail how the heart works to transport blood throughout the human body. Use it during your human body unit, and then discuss the accompanying comprehension questions as a review of the...

With a partner, youngsters measure their pulse and breathing rates, both at rest and after running in place for a minute. While this activity is not novel, the lesson plan includes a large-scale classroom graphing activity and other...

Break hearts with this lesson plan: chicken or sheep hearts, that is! Your class examines the external and internal structure of the heart with a dissection activity. A handy anatomy resource provides the necessary materials for...

Lub-dub, lub-dub. Why does the heart beat? Why does blood circulate throughout the body? Life scientists find out how important circulation is for dissolving and dispersing materials by timing how long it takes for food coloring spread...

Pump up your class while studying the cardiovascular system with this pair of activities. In one, learners record heart rates during different actions. In the second, they read kid-friendly heart health articles online and then write a...

Whether you use this to lecture on the circulatory system, or assign it for individuals to view, you will be pleased with this PowerPoint. The author invested a lot of time to make it educational, but also entertaining with humorous...

Use Microsoft Publisher to create a brochure tracing the path blood flows through the body. Working in cooperative groups, seventh graders use creative writing skills to create a "travel" brochure written from the viewpoint of a drop of...

Curriculum resources can be expensive—but not this one. An online textbook offers informational text for a complete high school Biology course. Topics include energy flow, body system, genetics, and evolution.

There are specific reasons for the intricate anatomy of the body, and the shape of the red blood cells is no exception! A video presentation explains the role of red blood cells and why their shape is important to function. The...

July 14th, 1789 marked the beginning of the French Revolution and the end of French aristocracy. Read all about Bastille Day with a kids' newspaper that also includes articles on American popular culture, the circulatory system, and...

Not all hearts are the same, but their functions are similar. An instructor discusses the origin of the first organisms with a heart in a video lesson from the PBS Eons series. The lesson includes discussion of the evolution of the...

How did scientists move beyond the medical ideas of Galen? Dissect the past with the 15th installment in a History of Science video series. Topics include Vesalius' dissections, the microscope, and mapping the human body.

To better comprehend organic farming scholars conduct experiments on how plant roots remove nutrients from the soil. Through multiple activities, discussion, and instruction they relate the plant's vascular system to the human...

Cells of different organs have unique cell functions. Learn how cell functions vary depending on their roles in the body using an inquiry-based activity. Scholars analyze the cell structure to make comparisons to its functions, allowing...

When you get to the heart of the matter, you learn a lot about an organism by studying its circulatory system! A perfect resource for a zoology or anatomy class, the simulation gives users a peek inside a variety of vertebrates to...

White blood cells are our body's tiniest warriors! How do they work? Biology scholars discover the types and functions of white blood cells through a video from an intriguing biology playlist. The resource profiles both types of white...

Don't fall victim to The Silent Killer! Expose your class (not literally) to carbon monoxide through an informative video from Reactions, a playlist from the American Chemical Society. Content includes carbon monoxide's structure, its...

Get the class jumping for joy with a fascinating look at matters of the heart. Learners perform physical tasks, collect and analyze heart rate data, and study conditions that affect heart health. Use the action-packed lesson plan to...

The final lesson in the 10-part biology series encourages scholars to explore pulse rate. Through measurements of resting pulse and after periods of exercise, scholars graph the changes physical exercise causes.