Teeth are made up of calcium, phosphorous and other minerals that give them their hard enamel shell. Bones, while they also contain calcium, only use calcium as the filler material between their main material — protein collagen. It's this regenerative collagen that allows b...
Hard chewing surface of teeth, made up of . helps in the mastication ... 02:30 Are our wisdom teeth really useful for chewing the food ? Text Solution Are our wisdom teeth really useful for chewing the food? Text Solution Are our wisdom teeth really useful for chewing the food ? Text ...
It is made up of around 700 different species of bacteria, the second-greatest diversity in the human body after the gut, as well as a host of fungi and viruses. “They are living in the sticky film stuck to the teeth and also to the soft tissues,” says Hirschfeld. “This sticky ...
Your Teeth Are a Permanent Archive of Your Life: Study More By Robert Preidt, HealthDay Reporter HealthDay WEDNESDAY, March 25, 2020 (HealthDay News) -- Your teeth provide a detailed account of your life, much as a tree's rings record its history, a groundbreaking study shows. "A ...
根据第一段的Spider(蜘蛛)silk,which is five times stronger than steel,no longer holds the record as the strongest material found in nature.Scientists have discovered that the teeth of a limpet (帽贝) are made of even tougher material表示"虽然蜘蛛丝的强度是钢的五倍,但是它不再是自然界中最坚固...
Sam is growing up, And so are you. 他很爱惜自己的牙齿。 恒牙会陪伴他一生。 旧的牙一掉, 新的牙就长出来了。 Sam在长大, 你也是。 Many of Sam's friends have loose teeth. Lucy can wiggle her lower front tooth. Sandy's upp...
Teeth of carnivores are View Solution Magnetite is made of mainly a chemical called View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and...
If you don’t like the feeling of whitening strips sitting on your teeth for up to 30 minutes, you can try dissolving strips, instead. Moon Dissolving Whitening Strips are applied just like any other strips but after 15 minutes, they dissolve. There’s no unnecessary waste or mess and no...
Kinds of braces Metal(金属的)braces are still used, but you might get braces that are the same color as your teeth. There are even braces that go behind your teeth where no one can see them. The wires used in braces today are also smaller, and they can straighten your teeth faster an...
Examples of skin in a Sentence Noun the rough skin of a shark Choose makeup that matches your skin tone. These snakes shed their skins once a year. See More Recent Examples on the Web Examples are automatically compiled from online sources to show current usage. Opinions expressed in...