Hemoglobin (video) | Human biology | Khan Academy
Course: Biology archive > Unit 31. Lesson 1: Circulatory and pulmonary systems. The lungs and pulmonary system. Red blood cells. Circulatory system and the heart. Hemoglobin. Components of blood.
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MCAT - Khan Academy
Cardiovascular system: Detection of myocardial infarction. Cardiovascular system: Anemia and clinical case. Cardiovascular system: Oxygen affinity of hemoglobin and myoglobin. Immune system: Milk allergy and intolerance.
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Explore the intriguing interplay between oxygen, carbon dioxide, and protons in our body's hemoglobin transport system. Understand the Bohr and Haldane effects, two crucial strategies that increase oxygen delivery and carbon dioxide removal.
Hemoglobin (video) | Khan Academy
Hemoglobin and its role in the circulatory system. Skip to main content. If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and …
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Watch as a molecule of oxygen makes its way from the alveoli (gas layer) through various liquid layers in order to end up in the blood. Rishi is a pediatric infectious disease physician and works at Khan Academy. These videos do not provide medical advice and …
Red blood cells - Khan Academy
And the reason why it changes color is that when the oxygen bonds to the hem sites on the hemoglobin, it actually changes the entire confirmation, the entire structure of the protein. We've see that multiple times.
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Lesson 4: Ideal gas law. The ideal gas law (PV = nRT) Worked example: Using the ideal gas law to calculate number of moles. Worked example: Using the ideal gas law to calculate a change in volume. Gas mixtures and partial pressures.
Binding energy graph (video) | Nuclei | Khan Academy
Binding energy graph. Let's explore the graph of binding energy per nucleon vs Mass number, and make predictions of the nature of nuclear force, and nuclear reactions (fission & fusion). Created by Mahesh Shenoy.
Myosin and actin (video) | Muscles | Khan Academy
Course: Biology archive > Unit 31. Lesson 4: Muscles. Myosin and actin. How tropomyosin and troponin regulate muscle contraction. Role of the sarcoplasmic reticulum in muscle cells.