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...

Explain the mechanism of action of steroid and non-steroidal hormones.

The speech is taken from the 'Anabasis of Alexander' (Book VII Chapter X), written around 130 AD by the Roman/Greek historian Arrian. Arrian had access to eyewitness accounts which are now lost (principally Ptolemy and Nearchus), and...

This video discusses various contraceptive techniques that have been developed to prevent pregnancy. The video explains how contraception can work in several ways such as by inhibiting ovulation, preventing fertilization, killing sperm...

This video explains how the body regulates blood glucose levels through the hormones insulin and glucagon produced by the pancreas. The video also touches on the concept of negative feedback, where the body senses and responds to changes...

In this video, we explore the functions of prolactin and how it is released.

This video explains the concept of hormones and their roles in human reproduction. It explores the key reproductive hormones involved in the development of secondary sex characteristics during puberty. The video also discusses the four...

Main organs of the endocrine system.

Take a thorough look at the histological appearance of the thyroid gland.

Ethylene Function and Synthesis in Plants

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,...

Anatomy and function of the pineal gland.

Characteristics of the parathyroid gland at the microscopic level.

This nugget gives an overview of human excretory system, excretory products, urine formation and the process of micturation.

The video discusses the human endocrine system and how it works to coordinate hormonal communication between various organs in the body. It explains that the endocrine system consists of several glands located around the body that...

In this video, we discuss the details concerning the Renin-Angiotensin-Aldosterone [RAAS] Pathway.

Valentine's Day is just around the corner. So before you fall in love, why not learn some of the science behind it? If you believe in love at first sight, are in a committed relationship, or wonder how loving a friend is different from...

It explains the salient points followed during feeding, rearing and breeding of dairy animals.

Gravitrophism In Plants: This clip explains how plants respond to the force of gravity through gravitrophism.

You've probably heard of glands and hormones, especially since we learned a little about how hormones interact with receptors in the biochemistry series, but what are they in the greater context of human anatomy and physiology? Let's...

A hormone is a chemical messenger that is secreted (or released) into our bloodstream by specific organs known as glands. Hormones regulate (or control) many processes in our body, including blood glucose levels, water content in blood,...

So what is homeostasis is a term first defined by Claude Bernard in 1865 it means maintaining a constant internal environment this is a bit like car brain works senses all around the body imaging various things and sending the...

A simple animation about Turner Syndrome, a common genetic condition that affects girls. We explain what causes it, the symptoms, and how it is diagnosed and treated. This video will be helpful to students of all ages, health...

In this video, young people learn that a girl's hormonal cycle has four weeks, through which her hormone levels rise and fall - much like the lunar cycle. Girls are encouraged to be conscious of their physical and emotional states during...