The vertebrate tongue is a complex muscular organ situated in the oral cavity and involved in multiple functions including mastication, taste sensation, articulation and the maintenance of oral health. Although the gross embryological contributions to tongue formation have been known for many years, it...
which are often still recognizable as human skeletal remains, are swept with a long-handled hoe or wire-bristle broom into a tray. A powerful hand-held magnet is run through the ash to pick up metal parts left behind, such as fillings, plates and hip replacements, which can interfere ...
These proteins allow a muscle cell to contract. Myofibrils contain two types of filaments that run along the long axis of the fiber, and these filaments are arranged in hexagonal patterns. There are thick and thin filaments. Each thick filament is surrounded by six thin filaments. Thick and ...
Human Senses Pictures A girl uses her tongue to drink from an open fire hydrant in Harlem, N.Y., during a heat wave. See more human senses pictures. Timothy A. Clary/AFP/Getty Images There's a famous myth that the tongue is the body's strongest muscle. It's not really true -- ...
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The esophagus (oesophagus) is a narrow collapsible muscular tube that connects the pharynx and the stomach. It measures about the size of a ruler (30cm long). The lining of the inner wall of the esophagus is made up of acid resistant cells at the bottom of the tube. It also has a...
Babies don't need to learn how to swallow. But they do need to learn how to chew. How babies learn the complex motor pattern of chewing food.
Human speech is a complex process. The lungs, vocal cords and sinuses all contribute to the tone, quality and volume of the voice., while the lips, tongue and other structures in the mouth control how we form words. Most people are not trained to speak; it just comes naturally. We lear...
The muscles that are present in the human body can be categorized into three forms, which are cardiac muscle, smooth muscle, and skeletal muscle. A connective tissue that functions in joining the muscle to bone is called tendon.Answer and Explanation: ...
Have you ever held a question in mind for so long that it becomes part of how you think? Maybe even part of who you are as a person? Well I’ve had a question in my mind for many, many years and that ...