Overview of Nose Anatomy The nose is the primary gateway to the respiratory system.[1][2] It plays a vital role in the sense of smell, making it a key component of the olfactory system.[1] Its structural framework is shaped by the nasal bones and cartilage, including the nasal septum, which separates the nostrils and divides the … Read more
Overview of Skull Anatomy The skull is a complex, protective structure made of bone.[1] It is essential for safeguarding the brain and supporting various sensory functions.[1] The skull anatomy is divided into two main sections: the cranium, which encloses and shields the brain, and the facial bones, including the mandible or jawbone, that shape the … Read more
Overview of Tongue Anatomy The tongue is a muscle in your mouth that helps you eat, talk, and taste food.[1] It is covered with tiny bumps called taste buds, which enable you to perceive sweet, salty, sour, bitter, and umami flavors.[2][3] The tongue helps move food around so you can chew and swallow.[1] It also … Read more
Overview of Mouth Anatomy The mouth is the starting point of the digestive system, where food enters, and saliva is produced.[1] Inside the mouth is a special lining called the oral mucosa, which is soft and moist.[1][2] This lining covers the inside of the mouth, including the gums, tongue, and other areas. Besides helping break down food, the mouth is also essential … Read more
Overview of Tooth Anatomy Teeth are important for breaking down food before we swallow it.[1] In the tooth anatomy, we can find four types of teeth, each with a different job.[2] Incisors cut food, canines tear it, and molars and premolars crush it.[2] Most people have 32 teeth,[3] but that can vary. The outside layer, … Read more
Overview of Eye Anatomy An eye is a part of an organism that helps it see things. It takes in light and turns it into signals for the brain.[1] In fancy terms, it is an optical system that collects light, adjusts its intensity, focuses it to form an image, and sends signals to the brain.[1] … Read more
Overview of Ear Anatomy The human ear performs two principal physiological roles: auditory transduction (hearing) and vestibular equilibrium (balance).[1] It functions by converting sound waves into electrochemical signals that the brain interprets as sound.[2] Anatomically, the ear is organized into three distinct divisions: the outer (external) ear, the middle ear, and the inner ear.[1][10] The … Read more