This video is answering the question of how long are the blood vessels.

This video program explores the role of the body's circulatory and respiratory systems, emphasizing things we can do to maintain these important systems. Regular exercise, healthy eating habits, and not smoking are just a few of the...

It describes the need for circulatory system in animals, compares open and closed circulation and explains the parts of circulatory systems.

This video introduces the Blood and Circulation series. In this series, we explore the cardiovascular system and its functions. We learn about the components of blood, including plasma, platelets, and red and white blood cells. The role...

Laughter is universal and unifying; it helps break the ice and is notoriously contagious. If you see a person or group of people laughing, the odds are high that you might also join the laughter train. Laughing along helps us cope with...

This is a tutorial video on the multiplier effect. The video aims to help viewers define, understand, and calculate the multiplier effect using the marginal propensity to consume (MPC). The speaker explains how the MPC determines the...

William Harvey introduces himself and talks about his early years and his discoveries.

Hurricane Harvey rapidly strengthened in the Gulf of Mexico in 2017, before making landfall in Texas, as one the strongest hurricanes there in over 50 years. The high wind quickly faded after landfall, but the rain continued as the storm...

For their size and impact, hurricanes are often called the greatest storms on Earth. They expend a tremendous amount of energy through the water cycle, and through wind, to maintain the balance of the atmosphere. Known by different names...

Is the oceans' ability to absorb carbon decreasing?

This week on Blockchain Central: we are going to take a look at the controversial Tether - a cryptocurrency that is backed by the US dollar. We'll describe it, discuss its goal, and learn about the Proof of Reserves mechanism....

Until now, researchers did not have a full set of data on ocean salinity and how it impacts climate change. Aquarius salinity data, combined with data from other sensors that measure sea level, ocean color, temperature, winds, and...

A feature from NASA’s Ames Research Center in Silicon Valley originally posted on January 5, 2017.

William Harvey explains how he discovered circulation; how blood flowed around the body.

Reverse Arrow restores energy and improves circulation. Rock and Roll tones the spine and gets those abs working.

This week on Blockchain Central: we are going to take a look at the controversial Tether - a cryptocurrency that is backed by the US dollar. We’ll describe it, discuss its goal, and learn about the Proof of Reserves mechanism

It's important to listen to your body and occasionally take it easy when working out. This video covers some suggestions for how to develop a balanced workout routine. Gyms part 4/4

This video provides a description of the circulatory system, also known as the cardiovascular system. It explains that the circulatory system can be divided into three main parts: pulmonary circulation, systemic circulation, and coronary...

Lesson on Histamine Synthesis and Metabolism from the amino acid Histidine. Histamine is a biogenic amine that acts as a local signaling molecule and a neurotransmitter in the central nervous system. Histamine is produced from the...

It gives introduction to Life Process.

This live-action video program is about the term "animal essential functions". The program is designed to reinforce and support a student's comprehension and retention of the term "animal essential functions" through use of video...

Sea surface salinity has a massive influence on Earth's climate. With Aquarius, scientists will have a new way to measure that influence in a consistent way. With its unprecedented accurate and consistent salinity measurements,...

The 3 simple ingredients of sun, air and water lead to every type of weather on Earth. The atmosphere is constantly trying to balance heat from the sun with water vapor and air to create a dynamic planet. The unique properties of the...

Headstand is best learned step by step, with the aid of a wall. Boat strengthens abs, Locust strengthens the spine, and Easy Wheel works on arms, thighs, and buttocks.