Paul Andersen describes four important homeostatic loops in biology. He begins with a brief description of the elements of a homeostatic loop. He then describes how the hypothalamus helps us maintain a stable internal body temperature....

This video covers:

- The 3 main functions of the kidn
eys:
1) removi
ng waste,
2) regulating level
s of ions, and
3) regula
ting levels of water
- How the kidneys can achieve all of this using filtration...

El Trastorno por Déficit de Atención e Hiperactividad parece afectar cada vez a más personas ¿Qué es el TDAH y cómo puede tratarse?

Attention Deficit Hyperactivity Disorder seems to affect more and more people. What is ADHD and how can it be treated?

In this video, we explore the mechanism and signs/symptoms of the condition, diabetes insipidus, which results in diminished levels of the hormone, ADH.

This video tutorial provides an overview of the pituitary gland and hypothalamus (topography, parts, vascular supply, histology, hormones, etc..). 0:00. Introduction 0:22. Pituitary gland topography2:06. Adrenal cortex and medulla 2:38....

In this video, we explore the following: [1] the basic mechanism for hormone synthesis and release by the Posterior Pituitary [Neurohypophysis] [2] contrast this to the function of the anterior pituitary [3] basic functions of oxytocin...

This video explains the role and function of ADH (anti-diuretic hormone) in controlling the body's water balance. It describes how ADH is produced and released from the pituitary gland in response to changes in the body's water content,...

The video discusses the concept of negative feedback as a control mechanism that aims to maintain a constant water concentration in the blood. It explains that ADH, a hormone released by the pituitary gland, has the effect of making the...