35 results for your search

Anatomy and Physiology, The Sensory System
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in Anatomy and Physiology (Bozeman, MT: Bozeman Science), 11 mins
Paul Andersen explains how we perceive our environment using our sensory system. He starts with a brief discussion of action potentials and the nervous system. He shows that we many more than five senses. He goes into more detail to show how humans smell, see and hear.
in Anatomy and Physiology (Bozeman, MT: Bozeman Science), 11 mins
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Anatomy and Physiology, The Respiratory System
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in Anatomy and Physiology (Bozeman, MT: Bozeman Science, 2015), 9 mins
Paul Andersen starts this video with a description of the respiratory surface. He explains how worms, insects, fish and mammals take in oxygen and release carbon dioxide. He then tours the major organs of the respiratory system; from the pharynx to the trachea, bronchus, bronchiole and alveoli. He also explains ho...
in Anatomy and Physiology (Bozeman, MT: Bozeman Science, 2015), 9 mins
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AP Biology, Episode 54, Population Variation
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in AP Biology, Episode 54 (Bozeman, MT: Bozeman Science, 2011), 10 mins
Paul Andersen explains the importance of genetic variation within a population. He begins with a discussion of the devil facial tumor that is a form of cancer transferred between Tasmanian devils. He then explains how a decrease in genetic variability nearly led to the extinction of the black-footed ferret. He fin...
in AP Biology, Episode 54 (Bozeman, MT: Bozeman Science, 2011), 10 mins
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AP Chemistry, part 2, Atoms and the Periodic Table
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in AP Chemistry, part 2 (Bozeman, MT: Bozeman Science), 9 mins
Mr. Andersen describes atomic structure and tours the periodic table.
in AP Chemistry, part 2 (Bozeman, MT: Bozeman Science), 9 mins
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AP Physics, Center of Mass
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in AP Physics (Bozeman, MT: Bozeman Science, 2015), 8 mins
In this video Paul Andersen explains how the center of mass of an object represents the average position of matter in an object. The center of mass of a system is a combination of all the objects within the system. As long as no external torque is applied to the system the center of mass will be conserved.
in AP Physics (Bozeman, MT: Bozeman Science, 2015), 8 mins
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Biology, Carbohydrates
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in Biology (Bozeman, MT: Bozeman Science, 2015), 9 mins
In this video Paul Andersen describes the lipids (of the fats). He explains how they are an important source of energy but are also required to cell membranes. He explains how the hydrocarbon tails in triglycerides contain energy available for life. He also explains how phospholipids construct, and cholesterol mol...
in Biology (Bozeman, MT: Bozeman Science, 2015), 9 mins
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Biology, DNA and RNA Part 1
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in Biology (Bozeman, MT: Bozeman Science, 2015), 12 mins
Paul Andersen introduces the nucleic acids of life; RNA and DNA. He details the history of DNA from Griffith, to Avery, to Hershey and finally to Watson and Crick. He also details the difference between prokaryotic and eukaryotic chromosomes.
in Biology (Bozeman, MT: Bozeman Science, 2015), 12 mins
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Biology, The Reproductive System
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in Biology (Bozeman, MT: Bozeman Science, 2020), 9 mins
Paul Andersen starts with a brief description of asexual and sexual reproduction. He explains how meiosis ensures variation in the next generation. He describes the important structures in the male and female reproductive system. He explains how the menstrual cycle ensure the success of the released ovum. He also...
in Biology (Bozeman, MT: Bozeman Science, 2020), 9 mins
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Integumentary System
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(Bozeman, MT: Bozeman Science, 2015), 8 mins
In this video Paul Andersen details the important structures and functions of the integumentary system. The integumentary system includes the skin, hair and nails in humans.
(Bozeman, MT: Bozeman Science, 2015), 8 mins
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Physics Series, Light
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in Physics Series (Bozeman, MT: Bozeman Science, 2015), 9 mins
Today, we're going to talk about light. What is light? Well, we have a tendency to take light for granted because everything we see is light or light reflected off of surfaces. But what is light? Light is actually a really thin strand of electromagnetic radiation from 400 nanometers to 700 nanometers.
in Physics Series (Bozeman, MT: Bozeman Science, 2015), 9 mins
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