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Recapitulates and reviews the principal messages of the curriculum as it summarizes the functions and designs of the body's major systems and organs and the methods by which they interact. NOTE: Contains some nudity.
Cells differ in size, shape, and function depending on their role in the body. Specialized cells make up tissues, tissues make up organs, and organs make up the systems that work together to make up the body. Join Pinky and Petunia as they discuss some examples of specialized plant and animal cells. Part of "The Amoeba Sisters" series.
The human body needs to take in food and water found in the environment, and through a sequence of mechanical and chemical processes, it converts that food into nutrients that sustain all the body's activities. The digestive tract alone has nine major organs devoted to this process, and the renal tract has three. Join Dr. Mark Reisman as he provides you with a look at the anatomy and physiology of the many organs and structures of digestion. Lastly, explores the properties of metabolism and nutrition.
Part of the "Gunther's ER" series. As Dr. Gunther von Hagens makes clear, a shortage of blood can mean that insufficient oxygen is reaching the major organs, usually resulting in shock and organ failure. Opens with a graphic bleeding demonstration, re-creating injury to blood vessels in the hand of a cadaver. Also examines the consequences of blood loss in the body's vital organs by creating knife wounds in the torso of a frozen body, then sawing it into slices to reveal the path of the blades and the shocking extent of the damage. Also explores a lesser well-known cause of blood loss-fractured bones-which von Hagens illustrates in an experiment in which a femur dissected from a fresh cadaver is made to bleed as it would in life. NOTE: Viewer discretion is advised. Contains clinically explicit language and nudity.
Special attention is given to the healthy maintenance of growing bodies. Concepts and terminology discussed include: body systems, cells, tissues, organs, health, and body needs.
For a few weeks each year, vernal pools explode with a diversity of microscopic and small animal life. Visually examines the plethora of living organisms often found in these vibrant, temporary pools.
Part of the "The Biology Classics" series. Hydra is a genus of simple fresh-water animals possessing radial symmetry. Observes feeding behavior of hydra, shows detailed microscopy of stinging cells used in capturing prey, and reviews two digestive processes: cellular and extracellular. Also covers locomotion, reproduction by budding, the development of sex organs, and symbiotic guests, both external and internal.
Discusses the importance of monitoring the cardiovascular system and explains the process of respiration in the body. Animations demonstrate how the organs in the heart work to pump blood throughout the body. Other terminology includes: blood vessel, artery, pulse, vein, aorta, septum, atrium, ventricle, capillaries, pulmonary circulation, systemic circulation, coronary circulation, blood pressure, sphygmomanometer, plasma, red blood cells, white blood cells, platelet, lungs, and alveoli.
Diagram of the internal organs of a frog as shown in a dissection. Design modalities for the image include braille with and without labels, print with and without labels in greyscale, color, and texture.
Shows how the cerebellum coordinates muscle activity and how position sensors in the muscles and joints and the balancing mechanism of the inner ear function. The motions of a water-skier show the physical, interconnected structure of muscles, joints, and organs. The role of joints is explained, and a look at the interior of a human knee shows clearly how lubricating fluid is produced.
Uses the extremes of temperature that occur in a day's skiing to show the range of mechanisms through which the human body maintains a steady internal temperature and protects its vital organs, such as shivering, hair erection, and rerouting of blood supplies to conserve heat. Increased blood flow to the body surface, sweating, and panting to lose heat is also reviewed. NOTE: Contains some nudity.
From Styrofoam cups to artificial organs, plastics are perhaps the most ubiquitous and versatile material ever invented. No invention in the past 100 years has had more influence and presence than synthetics. But such progress has had a cost. Investigates what we really know about the material of a thousand uses and why there's so much of it. On the way we discover a toxic legacy, and the men and women dedicated to cleaning it up. NOTE: Contains a brief nude scene.
This creature was found 4,200 feet deep in the ocean. It’s called a chimaera, and this fish has no bones in its body. Its skeleton is made of cartilage. The dots on its face are sensory organs that detect electrical fields in the water, which help the chimaera find its prey. Living in deep water, the chimaera is accustomed to lurking in the dark. Part of the "Creatures of the Deep" series.
Part of the "Branches on the Tree of Life" series. Imagine an animal with no mouth, no digestive system, no excretory or circulatory organs, no brain nor nervous system, and no movement as an adult. In spite of their simple nature, sponges are actually one of the most interesting animal phyla when viewed in developmental, ecological, and evolutionary terms. Clarifies the structure, function, classification, and ecological roles of sponges through animations and time-lapse microscopy.
The eye is one of each human's major sense organs. It gathers light information and transforms it into a signal that is used by the brain to formulate an appropriate response. How does this process work? What are the structures involved, and what do they do? These questions are answered using a unique, integrated approach that combines the anatomy and function of the eye. Includes detailed footage of the dissection of the bovine eye.
This creature was found 2,300 feet deep in the ocean. It’s a sea spider, and ones living at this depth can grow quite large, spanning almost 3 feet wide. Their 8 long legs help carry vital organs like their digestive tract. They also have 3 to 4 extra limbs, which they use for cleaning, courtship, and carrying their young. With over 1,300 different species, they are found in every ocean throughout the world. Part of the "Creatures of the Deep" Series.
Students receive a crash course in the physiology and functioning of their hearts as well as how to keep their hearts healthy. Animations clarify how the heart works to provide oxygen and nutrients to all the tissues and organs of the body. They also detail what can go wrong. The program stresses that even teenagers can show early signs of atherosclerosis and other heart problems. Two cardiologists and a dietitian then pinpoint the main risk factors for an unhealthy heart, including: smoking, abnormal levels of cholesterol, high blood pressure, obesity, diabetes, and physical inactivity.
The goal of this research is to determine the mechanisms underlying predatory and defensive behavior guided by an extraordinarily novel sensor in snakes. Pit vipers, pythons and boas possess special organs that form images in the brain of the thermal environment, much like vision occurs in the human brain. Thus, these snakes see heat, and this amazing system is the most sensitive infrared detector on Earth, natural or artificial. A better understanding of infrared-based thermal imaging in snakes is important not only for understanding complex behavior in these highly efficient predators, but also for understanding the evolution of imaging sensors and the behaviors they support in other animals including people. Part of the National Science Foundation Series “Science Nation.”
Showing collections 1 to 3 of 3
Collection of anatomy resources
A collection containing 21 resources, curated by Benetech
Biology related concepts
A collection containing 59 resources, curated by Benetech
Resources related to vision
A collection containing 12 resources, curated by Charles LaPierre