PaulanSimon's channel
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PaulanSimon
favorited
1 month ago
Diffusion and Osmosis
Diffusion and Osmosis
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Salman Khan talk at Castilleja School on January 5th, 2010
Salman Khan talk at Castilleja School in Palo Alto, CA on January 5th, 2010
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The Lungs and Pulmonary System
The pulmonary system including the lungs, larynx, trachea, bronchi, bronchioles, alveoli and thoracic diaphragm
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Red blood cells
Oxygen uptake by hemoglobin in red blood cells
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PaulanSimon
favorited
1 month ago
Circulatory System and the Heart
Introduction to the circulatory system and the heart
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Hemoglobin
Hemoglobin and its role in the circulatory system
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Anatomy of a Neuron
Introduction to the neuron and its anatomy
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Sodium Potassium Pump
How a sodium potassium pump can maintain a voltage gradient across a cell or neuron's membrane
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PaulanSimon
favorited
1 month ago
Electrotonic and Action Potentials
How electrotonic and action potentials propagate down cells
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Saltatory Conduction in Neurons
Saltatory conduction or how neurons use both electrotonic and action potentials to have signals move quickly while not losing strength.
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Neuronal Synapses (Chemical)
How one neuron can stimulate (or inhibit) another neuron at a chemical synapse
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Salman Khan interview with NPR's All Things Considered on 12/28/2009
Salman Khan interview with NPR's All Things Considered on 12/28/2009
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PaulanSimon
favorited
1 month ago
Personal Bankruptcy: Chapters 7 and 13
Chapter 7 and Chapter 13 personal bankruptcy. This video was sponsored by Visa, but I had complete editorial freedom as to its contents.
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Myosin and Actin
How myosin and actin interact to produce mechanical force.
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Tropomyosin and troponin and their role in regulating muscle contraction
Tropomyosin and troponin and their role in regulating muscle contraction. How calcium ion concentration dictates whether a muscle is contracting o...
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Role of the Sarcoplasmic Reticulum in Muscle Cells
The role of the sarcoplasmic reticulum in controlling calcium ion concentrations within the muscle cell
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PaulanSimon
favorited
1 month ago
Anatomy of a muscle cell
Understanding the structure of a muscle cell
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Role of Phagocytes in Innate or Nonspecific Immunity
Role of phagocytes in innate or nonspecific immunity. Neutrophils, macrophages, and dendritic cells. MHC II.
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Types of immune responses: Innate and Adaptive. Humoral vs. Cell-Mediated
Overview of types of immune responses. Difference between innate and adaptive immunity. Differences between humoral adaptive immunity and cell-me...
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B Lymphocytes (B cells)
Overview of B cells (B lymphocytes) and how they are activated and produce antibodies
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PaulanSimon
favorited
1 month ago
Professional Antigen Presenting Cells (APC) and MHC II complexes
How professional antigen presenting cells present parts of engulfed pathogens on MHC II complexes (major histocompatibility complexes).
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Cytotoxic T Cells
How cytotoxic T cells get activated by MHC-I/antigen complexes and then proceed to kill infected cells
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Helper T Cells
Introduction to helper T cells and their role in activating B cells
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Parts of a cell
Parts of a cell: nucleus, ribosomes, endoplasmic reticulum, Golgi bodies, mitochondria, chloroplasts, vacuoles, and vesicles
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PaulanSimon
subscribed to khanacademy
1 month ago
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PaulanSimon
subscribed to rockerdj1023
1 year ago
About PaulanSimon's channel