• Human anatomy

    An Overview On Pineal Gland

    The pineal gland is a small, pea-shaped gland in the brain. Its function isn’t fully understood. Researchers do know that it produces and regulates some hormones, including melatonin. It is ectodermal in origin. It is unpaired (Single) and is attached to epithalamus of the diencephalon. It is, therefore, also known as Epiphysis cerebri (Pituitary, attached to the hypothalamus, is called Hypophysis cerebri) It is considered to be the ‘seat of soul’. In a human, it starts degenerating at the age of 7-8 years. The calcium and magnesium salts are deposited in this gland at later stages and the structure is then known as ‘brain sand’. This gland produces single hormone…

  • Biology,  Human anatomy

    What is the function of Earwax in the Human Body?

    The earwax is very useful substance which keeps our ears healthy and is produced naturally in the ear. This wax is found not only in humans, but also in animals. It cleans, protects and lubricates the ears. Let us study through this article about earwax, its function etc. Important facts about Earwax 1. The scientific name of the earwax is cerumen. It is formed in the outer part of our ear canal where there are thousands of glands. It is sticky and shiny substance. It coats the ear to moisturize it and fight against infection.2. Earwax also prevents from dust, dirt, and insects from entering the ear.3. It also works like a natural antibiotic,…

  • Human anatomy

    HUMAN DIGESTIVE SYSTEM

    Digestion involves the breaking of complex organic food molecules into simpler one by hydrolysis. Carbohydrates, proteins, fats and nucleic acids are large complex organic food molecules. They are insoluble and polymeric in nature. During digestion different enzymes helps in the breakdown of these complex polymers into soluble monomers which are required for energy generation.The different steps of digestion involve: Movement of food through the alimentary tract Secretion of digestive juices and digestion of food Absorption of water, various electrolytes, vitamins and digestive end products. Human digestive system mainly consists of two parts: 1) Alimentary tract and 2) secretory glands Alimentary tract It provides continuous supply of nutrients, vitamins, electrolytes and…

  • Human anatomy

    Human Eye: Anatomy, parts and structure

    The eye is the photo-receptor organ. Size and shape: Human eye is spherical about 2.5 cm in diameter. Location: it is situated on an orbit of the skull and is supplied by the optic nerve. There are 6 sets of muscles attached to the outer surface of the eyeball which helps to rotate it in a different direction. Four sets of these muscles are straight muscles; superior, inferior, medial and lateral rectal muscle and two sets are oblique muscles; superior and inferior oblique muscles. Structurally two eyes are separated but some of their activities are coordinated so that they function as a pair. The anatomical structure of Eye Eyeball consists…

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