Anatomy, features and articles | Educational Science

Jul 25, 2022

How much blood is in the human body?

How much blood is coursing through your veins and arteries? It turns out there's enough blood in the human body to fill a bit more than a 1-gallon milk jug. The average adult has about 1.2 to 1.5 gallons (4.5 to 5.5 liters) of blood circulating inside their body, said...

Aug 16, 2022

What's the largest bone in the human body? (What about the smallest?)

The human body possesses hundreds of bones, from the long bones of the limbs to the fused bones of the skull. But what is the smallest bone in the human body? And what is the largest bone? The smallest human boneA baby's body has about 300 bones at birth. These...

Aug 17, 2022

Reproductive System: Facts, Functions & Diseases

The reproductive system is a collection of internal and external organs — in both males and females — that work together for the purpose of procreating, according to the Cleveland Clinic. Due to its vital role in the survival of the species, many scientists argue that the reproductive system is...

Aug 17, 2022

Ovaries: Facts, Function & Disease

Ovaries are the female gonads — the primary female reproductive organs. These glands have three important functions: they secrete hormones, they protect the eggs a female is born with and they release eggs for possible fertilization. Size & LocationHuman females are typically born with two ovaries stemming from the uterus....

Aug 17, 2022

The lymphatic system: Facts, functions & diseases

The lymphatic system is a network of tissues and organs that help rid the body of toxins, waste and other unwanted materials. The primary function of the lymphatic system is to transport lymph, a fluid containing infection-fighting white blood cells, throughout the body, according to the journal Lymphatic Research Biology....

Aug 23, 2022

How to whiten teeth naturally at home

Want to whiten teeth naturally? The American Dental Association reported that when people were asked what they would most like to improve about their smile, the top response was whiter teeth. While there is information from the Journal of Evidence-based Dental Practice that professional teeth whitening with bleaching agents makes...

Aug 31, 2022

Liver: Function, failure & disease

The liver is an abdominal glandular organ in the digestive system. It is located in the right upper quadrant of the abdomen, under the diaphragm and on top of the stomach. The liver is a vital organ that supports nearly every other organ to some capacity. The liver is the...

Sep 30, 2022

Are electric toothbrushes better than manual toothbrushes?

Dentists and their patients have long asked the question: are electric toothbrushes better than manual toothbrushes? While the answer will come down to personal taste, budget and people’s access to the latest dental technology, science has come up with a clear answer to the quandary. But, as with many answers,...

Sep 30, 2022

Oral B vs Sonicare: Which toothbrush is better?

When it comes to Oral B vs Sonicare toothbrushes, it can be tough to know exactly which brand has the models and features to suit you. We’ve gotten into the differences that might persuade you to opt for one particular brand over another, as well as the features that make...

Nov 11, 2022

Which teeth fall out?

Tooth loss is a common theme for nightmares and horror movies, but it’s actually a normal part of human development that can sometimes be vital for our oral health. We’ve asked two dental surgeons which teeth fall out, in what order, and why you might lose your adult teeth. In...

Nov 25, 2022

Black Friday deal cuts $80 off the Oral-B iO Series 9 electric toothbrush

If Black Friday has given you the push to swap your manual toothbrush for an electric alternative, then check out the $80 discount being offered on the super-powered Oral-B iO Series 9 . This high-powered model is considered to be one of the best electric toothbrushes around and its attraction...

Nov 27, 2022

Cyber Monday electric toothbrush deals to help brighten your smile

Take a look at the Cyber Monday electric toothbrush deals here, and you'll definitely consider upgrading your current device or swapping one for your manual brush. After all, there are some fantastic Cyber Monday discounts on offer at the moment — but be quick because some deals have limited stock,...

Nov 28, 2022

Electric toothbrushes are always on sale – but this Black Friday deal is the real thing

Editor's note: Unfortunately, this Philips Sonicare ProtectiveClean 6500 offer is no longer available on Amazon. However, there are plenty of other Cyber Monday electric toothbrush deals for you to take advantage of, including the compact hum by Colgate (now under $30) and the top-end Oral-B iO Series 9, reduced from...

Nov 28, 2022

Huge saving! Get 50% off the Oral-B Genius X Limited electric toothbrush this Cyber Monday

Tired, fraying toothbrushes — be gone. This Cyber Monday you can invest in your dental hygiene with 50% off the highly-rated Oral-B Genius X Limited at Amazon, which tops our guide to the best electric toothbrushes. The Oral-B Genius X Limited usually retails for $199.99, but during this year’s Cyber...

Nov 28, 2022

Final chance to save 60% on the top-rated hum by Colgate electric toothbrush for Cyber Monday

A 60% reduction on one of our favorite electric toothbrushes, hum by Colgate, sees it coming down from the heights of $69.99 to $27.99 — a much more affordable option. This Cyber Monday deal is sure to be gone soon, so cash in while you still can and get a...