A place with many Fun Facts
Bones stop growing after puberty and muscle and fat cells also stop dividing. But cartilage – that’s the plastic-like stuff in ears and noses – continues to grow until the day you die. Not only does cartilage grow, but the earlobes elongate from gravity. And that makes ears look even
Earwax, also known by the medical term cerumen, is a yellowish waxy substance secreted in the ear canal of humans and other mammals. It protects the skin of the human ear canal, assists in cleaning and lubrication, and also provides some protection from bacteria, fungi, insects and water. Your ears
The stomach is made of protein, yet it houses the most powerful protein digesting enzymes known. Stomach wall’s epithelial layer is not smooth. It is folded into thousands of tiny pits, called gastric pits, that penetrate into the surrounding muscle layers. Virtually all the epithelial cells facing the lumen (the
The hyoid bone (lingual bone) is a horseshoe-shaped bone situated in the anterior midline of the neck between the chin and the thyroid cartilage. At rest, it lies at the level of the base of the mandible in the front and the third cervical vertebra (C3) behind. Unlike other bones,
Tooth enamel is one of the four major tissues that make up the tooth in humans. It is the hardest substance in the human body and contains the highest percentage of minerals, 96%, with water and organic material composing the rest. The primary mineral is hydroxyapatite, which is a crystalline
The skin is often known as “the largest organ of the human body”. This applies to exterior surface, as it covers the body, appearing to have the largest surface area of all the organs. Moreover, it applies to weight, as it weighs more than any single internal organ, accounting for
Generally, between each blink is an interval of 2-10 seconds; actual rates vary by individual averaging around 10 blinks per minute in a laboratory setting. However, when the eyes are focused on an object for an extended period of time, such as when reading, the rate of blinking decreases to
Your heart beats about 100,000 times in one day and about 35 million times in a year.
Giant squid’s eyes can be up to 30 cms across, being bigger than a dinner plate. These massive organs allow giant squid to detect objects in the lightless depths of the ocean.
Crocodiles’ tongues are not free, but held in place by a membrane that limits movement; as a result, crocodiles are unable to stick out their tongues.