We learned all about nonvascular plants, which are called bryophytes, so what came next in the evolutionary time line for plants? Eventually vascularization came about, and the first vascular plants were called lycophytes. What were...

In this video, the effects of estrogen on the female body are explored, including its role in puberty, the growth of sex organs, bone density, and skin health. The video also touches on the production of estrogen in males and its minimal...

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...

In this video, we will be discussing the branches of the internal iliac artery including the smaller branches of its anterior and posterior divisions. NOTE: the internal iliac artery has extensive genetic variability in the branch origins.

This video discusses gonorrhea, the second most prevalent sexually transmitted infection in the United States. It covers how the infection can be contracted, the symptoms, and potential complications. The video also discusses concerns...

This video discusses the common sexually transmitted infection Chlamydia, including its potential effects on the body, symptoms, testing, and treatment. It also emphasizes the importance of safe sex practices and accurate testing to...

In this video, we explore more male reproductive anatomy [internal/external parts of the penis.<br/>

Organic farmer, Anthony Boutard, shares his detailed knowledge on seed production during his 2012 talk for the Friends of Family Farmers organization.

We just learned about lycophytes, so which plants came next on the evolutionary timeline? Those would be ferns. With ferns we finally arrive at a type of plant which should actually look quite familiar to most people, even though these...

This video discusses what happens to the egg after ovulation and how it travels through the female reproductive tract. It also explains the role of the corpus luteum in secreting progesterone and estrogen, and how it is sustained...

Fructokinase

We now understand that the ancestors of plants came from the ocean. But eventually, the first plants made their way out of the water and onto land. What did these plants look like? What functions were they capable of carrying out, and...

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.

The video is a humorous and educational explanation of how sperm cells are produced and travel to fertilize an egg, highlighting the role of fathers in the creation of their children. It uses visual aids and relatable language to make...

This video explores the process of sperm cell production in the male reproductive system, including the anatomy of the testes, the seminiferous tubules where sperm cells are produced, and the epididymis where they mature and become...

This is a follow-up video to male reproductive anatomy; we cover the components of the ejaculatory pathway and glands that generate semen.

Throughout this series, we've learned all about the various systems of the human body. But how do humans make more humans? As a child might ask, where do babies come from? Suppress the immature giggles if you can, human reproduction is...

This program is especially designed to appropriately introduce preteen boys to the many changes to their bodies that accompany adolescence. Boys will learn about the physical, social and emotional changes that come with puberty. Young...

Female Reproductive Anatomy [Part 1]