Category Archives: Articles and Videos

breathing

April 20, 2022 by Wendi 0

Respiratory System

Pulmonary Ventilation

In this video I describe how pressure changes in the…

alveolar ventilation atmospheric pressure breathing dead space intrapleural space lung volumes pneumothorax pulmonary ventilation

respiratory system

April 17, 2022 by Wendi 0

Respiratory System

Overview of the Respiratory System

This video gives an overview of the structures and functions…

alveoli epiglottis larynx lung pleura respiratory system surfactant trachea

reabsorption nephron

November 16, 2021 by Wendi 0

Reabsorption and Regulation of Excretion

In this video I discuss how substances are reabsorbed in…

ADH aldosterone andgiotensin 2 angiotensin 1 angiotensinogen ANP atrial nateuretic peptide collecting duct diabetes and kidney distal tubule diuretic juxtaglomerular cells macula densa nephron parathyroid hormone RAS reabsorption renin

kidney functions

September 23, 2021 by Wendi 0

Functions of the Urinary System

This video describes the structures and functions of the kidneys…

bladder excretion filtration kegels kidney loop of Henle nephron proximal tubule reabsorption secretion urea ureter uric acid urinary urine

regulation of digestion

July 20, 2021 by Wendi 0

Digestive System

Regulation of Digestion and Appetite

This video describes the neural and hormal mechanisms used to…

appetite CCK Cephalic phase digestion control digestion hormones gastric phase gastrin ghrelin intestinal phase leptin secretin serotonin somatostatin

small intestine

July 12, 2021 by Wendi 0

Digestive System

Nutrient Absorption and ‘Leaky Gut’

This video describes how nutrients are absorbed across the epithelial…

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digestive organs

July 12, 2021 by Wendi 0

Digestive System

Organs of the Digestive System part 2 + Digestive Enzymes

This video describes the digestive functions of the gallbladder, pancreas,…

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Digestion

July 12, 2021 by Wendi 0

Digestive System

Organs of the Digestive System Part 1

This video describes the digestive functions of the mouth, saliva,…

albumin alcohol and liver bile bilirubin cardiac sphincter esophagus gluconeogenesis glycogenolysis hydrochloric acid lipogenesis liver functions mouth saliva stomach swallowing

Digestion

May 23, 2021 by Wendi 0

Digestive System

Overview of the Digestive System

This video describes an overview of the structures involved in…

belly fat bowel digestion digestive organs Digestive system enzymes lamina propria mesentery pancreas peristalsis serosa small intestine stomach submucosa visceral fat

autoimmune

April 3, 2021 by Wendi 0

Immune System physiol

Autoimmune Diseases and Allergies

This video describes the basic underlying mechanisms involved in the…

allergic reactions allergies anaphylactic reaction anaphylaxis Autoimmune disease histamine hygiene theory Immune system molecular mimicry Vitamin D deficiency

Vaccine production

March 7, 2021 by Wendi 0

Immune System physiol

Vaccines

This video describes how various types of vaccines are produced,…

adjuvant covid vaccine covid-19 killed virus vaccine live attenuated mRNA vaccines Recombinant DNA vaccines toxoid Vaccine

Acquired immune system

March 7, 2021 by Wendi 0

Immune System physiol

Adaptive Immune Response

This video describes how the adaptive/ acquired immune response is…

antibody antigen antigen presentation B cell receptor B cells bone marrow covid evolution cytotoxic T cells helper T cells HLA IL-1 IL-2 immunoglobulin lymph node major histocompatibility complex memory cells MHC plasma cells regulatory T cells spleen T cell receptor T cells thymus tolerance

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