Lungs * The primary function of the lungs is to facilitate gas exchange between the body and the external environment. * The lungs occupy most of the [thoracic cage: ](/term/gross-anatomy/thoracic-cage)* The apex of the lung, its most superior p

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Lungs * The primary function of the lungs is to facilitate gas exchange between the body and the external environment. * The lungs occupy most of the [thoracic cage: ](/term/gross-anatomy/thoracic-cage)* The apex of the lung, its most superior p
Looking for help with the basic or clinical medical sciences? Take a look at this demo from our Biochemistry Course, and see how watching things draw out can enhance your learning!
In Honor of International Anatomy Day, here's a full demo tutorial from our Gross Anatomy Course! Check out this complete tutorial on Cerebral Surface Anatomy, and try out our Drawing Pad, Flashcards, and Quiz Questions!
Erythropoiesis is the process of erythrocyte development
> **Chronic Obstructive Pulmonary Disease (COPD)** * ***COPD*** is characterized by ***chronic, progressive, irreversible air flow obstruction*** – Leads to [high lung volumes](/term/physiology/lung-volumes-capacities) (functional residual cap
Here's a sneak-peak at some Flashcards from our upcoming tutorial on COPD!
FATTY ACID BIOSYNTHESIS * Occurs in the liver and adipose tissue (cytosol) * After a carbohydrate-rich meal (high insulin:glucagon ratio) * Not just reverse of beta-oxidation: distinct enzymes and compartments Reactions 1. Citrate Shuttle 2. Ma
Visit our site to see the full flashcard and all the steps of fatty acid biosynthesis!
*Peristalsis* Uni-directional propulsion of digested food forward through the digestive tract. * Activated following a meal (postprandial). * Rhythmic, alternating contractions of the circular and longitudinal [smooth muscle](/term/histology/small
Review Peristalsis and Segmentation in the Small Intestine