Why are leaves commonly flat, spongy and strikingly green? Discover the different parts of a leaf and their function. Biology - Plants - Learning Points. A leaf is made of many layers sandwiched between tough outer layers. Gases enter...

We dissect and examine a cow\u2019s heart to show the position and function of different parts. This includes the coronary artery, ventricles, atria, pericardium and the thickness of the muscle tissue. Biology - Human Body - Learning...

Four parts belonging to systems within the human body are shown, but which is the odd one out?
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Life processes - Body systems - The circ
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A Twig Tidbit Film - Odd one out. The children...

Explanation of the circulatory system.
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Learning Points
The heart is a strong muscle tha
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pumps blood throughout the body.
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The story of one man's life-saving heart transplant operation.
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Learning Points
If the heart stops working oxygenated


blood won't...

Explore effective ways to shield your body from severe cold conditions, as demonstrated during a harsh winter in Chicago with record low temperatures. Learn why our lips crack and fingers numb, and discover preventative measures from...

Dr. Forrester teaches about your circulatory system and muscular system.

Vascular disease

Learn the roles of arteries, capillaries and veins and how they are adapted to those roles; as well how to calculated the rate of blood flow.

Dr. Forrester provides an overview of the various systems in the human body. She then introduces the circulatory system and describes the critical functions of this amazingly efficient system.

“Plant Structure” will help students to identify similarities and differences between vascular and non-vascular plants, as well as reproductive methods for both types of plants.

The circulatory system is a vast, complex network of blood vessels that serve as highways for transporting blood which contains life-sustaining molecules, such as nutrients, gasses, hormones and waste products, to the various organs of...

The Circulatory and Respiratory Systems describes the functions of the organs of the circulatory and respiratory systems, including the heart and lungs.

IA very quick run through of some paper 1 information- testing my equipment

“Circulatory System” identifies the parts and purposes of the circulatory system.

This video explores five fun facts about veins and arteries.

This video is answering the question of what do different veins and arteries do in the body.

This video is answering the question of how do our veins control our blood flow.

This video is answering the question of what job do veins do.

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

Explain how aluminium is recycled into new aluminium. What other products are made from aluminium?<br/>
Smelting And Refining Aluminium, Part 3

The vascular system of a leaf provides its structure and delivers its nutrients. When you light up that vascular structure with some fluorescent dye and view it using time lapse photography, details begin to emerge that reveal nature's...

The vascular system of a leaf provides its structure and delivers its nutrients. When you light up that vascular structure with some fluorescent dye and view it using time lapse photography, details begin to emerge that reveal nature's...

This video tutorial briefly covers the features of AnatomyOne including the Regional, Systemic and Clinical approaches to learning anatomy. It also shows the features in finding and using anatomy illustrations, cadaver prosections,...