SciShow
Why Yapoks Need a Pouch for Their Junk
Yapoks are cute aquatic marsupials, and they're the only living creatures that need pouches for their sacs.
SciShow
Finally, A Male Pill?
Hank briefs us on the news that a team of biologists has developed the first contraceptive for males that is totally effective, easily reversible and doesn't mess with your hormones!
SciShow
The Fish With Human Teeth
A fish with eerily human-like teeth was caught in a New Jersey lake. And scientists have learned to speak Bird!
SciShow
There Are More Than Two Human Sexes
In high school biology, we learn that humans are born with either XX or XY chromosomes, and that a person’s internal and external sex organs match those chromosomes. It turns out, however, that sex isn’t that straightforward.
SciShow
Why Is It So Hard to Make a Male Birth Control Pill?
A safe, reversible option for male birth control has eluded scientists for decades, but a new pill is showing a lot of promise!
Crash Course
Reproductive System, part 2 - Male Reproductive System: Crash Course A&P 41
Our month-long exploration of human reproduction continues with a look at testicular anatomy, the steps of sperm production, and how it's influenced by gonadotropin and testosterone. Hank also explains how sperm mature, and how they...
Crash Course
The Reproductive System: How Gonads Go - CrashCourse Biology
Hank lets us in on the meaning of life, at least from a biological perspective - it's reproduction, which answers the essential question of all organisms: how do I make more of myself? So, sex, how does it work?
Bozeman Science
The Reproductive System
Paul Andersen starts with a brief description of asexual and sexual reproduction. He explains how meiosis ensures variation in the next generation. He describes the important structures in the male and female reproductive system. He...
Crash Course
Great Glands - Your Endocrine System: CrashCourse Biology
Hank fills us in on the endocrine system - the system of glands which produce and secrete different types of hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development & function.
SciShow
Why Yapoks Need a Pouch for Their Junk
Yapoks are cute aquatic marsupials, and they're the only living creatures that need pouches for their sacs.
SciShow
Teratomas: What Tumors with Teeth Can Teach Us About Stem Cells
There’s one kind of tumor that’s basically straight out of a horror movie...
Institute of Human Anatomy
What Low Testosterone Does to the Body
In this video, Jonathan from the Institute of Human Anatomy discusses where testosterone is produced, what the normal levels are, and who might be candidates for testosterone replacement therapy (TRT).
Curated Video
GCSE Biology - Endocrine System & Hormones #59
The endocrine system is a collection of glands that secrete hormones. Learn all about the different glands you need to know, and how hormones work.
Curated Video
Endocrine System: Glands and Hormones
This video was sponsored by Brilliant. To try everything Brilliant has to offer—free—for a full 30 days, visit http://brilliant.org/ScienceABC/. The first 200 of you will get 20% off Brilliant’s annual premium subscription. Your body...
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,...
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.
Institute of Human Anatomy
Reasons for Testicle Removal: Exploring the Procedure and Aftermath
In this video, the speaker discusses the reasons why someone might have to have their testicles removed, including testicular torsion, cryptorchidism, testicular cancer, trauma, and gender reassignment surgery. The speaker also explains...
Catalyst University
Male Reproductive Anatomy | Penis & Urethra
In this video, we explore more male reproductive anatomy [internal/external parts of the penis.
Curated Video
The Role of Hormones in Reproduction and Menstrual Cycle
The video is a brief educational lesson that explains the importance and functions of hormones in human reproduction. The teacher discusses the two main hormones involved in the process, testosterone for males and estrogen for females....
Professor Dave Explains
Hormones and Sexual Behavior
We've already learned about hormones in the context of the endocrine system, but now let's get a closer look at how these influence the development of sexual characteristics as well as sexual behavior. How and when does this happen? How...
Catalyst University
Spermatogenesis | Male Gametogenesis
In this video, we explore male gametogenesis, also called spermatogenesis, a process that generates sperm cells (spermatozoa).
Institute of Human Anatomy
Muscles Associated with the Testes: Anatomy and Function
The video is an anatomy lesson on the muscles associated with the testes in men. The teacher explains the location and development of these muscles, including the cremaster muscle and the dartos muscle. The lesson includes a...
Catalyst University
Male Reproductive Anatomy | The Testes, Seminiferous Tubules, & Epididymus
In this video, we will cover some of the anatomy of the male reproductive system, more specifically, the testes and associated muscle, seminiferous tubules, and the epididymus.
msvgo
Human Reproductive Organs Detailed
The nugget explains the structure and functions of organs of male and female system. (Addition - Role of glands, section of testis in male; external genitalia and cervix in females)