Nature League
Sex Cells and Inherited Trauma - De-Natured
In this De-Natured segment of Nature League, Brit breaks down a recent scientific journal article about the effects of childhood trauma on adult sperm cells of mice and men. Article citation: Dickson, D.A., Paulus, J.K., Mensah, V., Lem,...
Catalyst University
Follicular Cells & the Synthesis of Thyroid Hormones
In this video, we will discuss the following: [1] the synthesis of thyroid hormones, T3 and T4, from iodide and thyroglobulin in follicular cells. [2] the activation of T4 to T3 which occurs at the target cell level. [3] the elimination...
Curated Video
Stomach Drop Feeling: Why Does Your Stomach “Drop” When You’re Anxious?
When we experience anxiety, our sympathetic nervous system is activated and initiates the fight-or-flight response. This response is a host of physiological changes that prepare us to either fight or flee. One of the effects of the...
Nature League
Sex Safari - Field Trip
In this Nature League Field Trip, Brit goes on a Montana safari at the National Bison Range and shares some local stories of how species have persisted over time via reproduction.
AllTime 10s
10 Body Parts You Never Knew Existed
Evolution has evolved the human body over thousands of years, yet we are still discovering new things about our bodies. From the mesentery, to the second nose, AllTime10's brings you 10 Body Parts You Never Knew Existed.
Catalyst University
Thyroid Peroxidase and Thyroid Treatments
Thyroid Peroxidase and Thyroid Treatments
JJ Medicine
Medical Terminology | The Basics and Anatomy | Practice Lesson 4
Medical Terminology, Practice Lesson Set 4 for The Basics and Anatomy Lessons. This is the fourth set of 21 Medical Terminology Practice Problems to help you bring together all the information you’ve learned from the Medical Terminology,...
Healthcare Triage
Should You Panic about the Breast Cancer/Birth Control Stories?
No. It turns out, media outlets sometimes sensationalize connections like this. Hormonal birth control is safe, and while it does come with some risks, the benefits very often outweigh the downsides. Aaron has the numbers on just how...
Curated Video
Contraception: Types and Examples
In this video, the concept of contraception is explained, which is the prevention of pregnancy. The video looks at various methods of contraception and explains how they work. The video looks at several examples of both types of...
Curated Video
The Effects of Auxin on the Coordination of Plant Growth in Response to Light and Gravity
The video explains how plant hormones, specifically auxin, affect the growth and direction of plant shoots and roots in response to light and gravity. It discusses the different effects of auxin on plant cells in shoots and roots and how...
Catalyst University
Pathway For Sperm and Egg Cells to Fertilization
In this video, we will examine the precise site of fertilization and then follow the physical path of the secondary oocyte (egg) and sperm cell (spermatozoa) to fertilization.
AllTime 10s
10 Secret Senses You Didn't Know You Had
We all have 5 senses right? Well.... No! Here are 10 more hidden senses that you never knew you even had. How crazy is that?!
Barcroft Media
Aged 21 And Only 23 Inches Tall: BORN DIFFERENT
A MAN who is only 23 INCHES TALL and weighs 15lbs is being worshipped as the reincarnation of a Hindu god. Manpreet Singh is 21-years-old and is the same height and weight as a six month old baby and is believed to be one of the smallest...
Iesha Learning
How to Manage Your Periods
In this video, young people learn how to stay clean and comfortable during their periods, including instructions on how to use a sanitary pad, tampon, and menstrual cup.
JJ Medicine
High Early Morning Glucose | Dawn Phenomenon & Somogyi Effect
High Early Morning Glucose | Dawn Phenomenon & Somogyi Effect High early morning glucose levels can become a problem in management of blood sugars for diabetic patients. Glucose levels normally fluctuate throughout the day; however, two...
Barcroft Media
The 24-Year-Old Who Looks Like A Toddler: BORN DIFFERENT
MEASURING 87cm in height and weighing 20kg, Sari Rezita Ariyanti looks like your average three-year-old, except she isn't a toddler - she's actually 24-years-old. Born on 16 October 1993, Sari is unable to walk and has to rely on her...
Catalyst University
Glycolysis | Regulation of PFK-1/Glycolysis Via PFK-2 Activity
Glycolysis | Regulation of PFK-1/Glycolysis Via PFK-2 Activity
Kenhub
Endocrine system: Quiz questions, diagrams and study tools
Learn the endocrine system with fun labeling worksheets and quizzes.
Curated Video
Unraveling the Control and Coordination of Plant Growth: Understanding Phototropism and Gravitropism
The video discusses how plants grow and respond to changes in their environment through the use of plant hormones, specifically auxin. The presenter talks about the concept of tropism and how auxin controls the growth of both shoots and...
Curated Video
The Science of Hunger
This video explores the complex biological processes that regulate hunger and appetite in our bodies. It discusses the role of various chemicals and hormones, such as ghrelin, leptin, and neuropeptides, in signaling hunger and fullness.
Curated Video
Understanding FSH and LH: Advanced Reproductive Hormones
This is a video on advanced reproductive hormones, focusing specifically on follicle stimulating hormone (FSH) and luteinizing hormone (LH). The video explains what reproductive hormones are and their role in the menstrual cycle. The...
Curated Video
Exploring the Versatility of Precious Metals and Essential Elements
Let's take a look back at the elements platinum, iodine, aluminum, iron, and tungsten.
HealthSketch
What is Congenital Adrenal Hyperplasia (CAH)?
CAH is a genetic condition that affects the way hormones are made in the adrenal gland. In this simple animated video, we explain how it occurs, the symptoms that result, and how it can be treated. This video will be helpful to students...
TLDR News
What Does Transgender Mean? - TLDR News
We delve into what it means to be transgender, as well as the differences between biological sex, gender identity and gender expression.