In this book you can see pictures of some basic structures of the human body. You can also begin to see the interconnections between the different parts of. The Human Body: Essentials of Anatomy and Physiology is a revised and condensed version of The book's approach is also based on the notion that learn-. f. describe the reproductive function of the body. Language. The student will. 1. read or refer to a favorite story or book on the human body. 2. ask related.
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THE HUMAN BODY is an introduction to the amazing and complicated machines we live in. This guide offers facts, interaction tips, and prompts for conversation. PDF | On Jun 1, , Anu Gupta and others published Human Body Systems. Human Body Systems. Book · June with 25, Reads. To access a customizable version of this book, as well as other . Cells are the basic units of structure and function in the human body, as they are in all living.
This capsule is further covered by the peritoneum, a membrane that forms the lining of the abdominal cavity. This helps hold the liver in place and protects it from physical damage. Blood vessels Unlike most organs, the liver has two major sources of blood.
The portal vein brings in nutrient-rich blood from the digestive system, and the hepatic artery carries oxygenated blood from the heart. The blood vessels divide into small capillaries, with each ending in a lobule. Lobules are the functional units of the liver and consist of millions of cells called hepatocytes.
Blood is removed from the liver through three hepatic veins.
Basic Anatomy and Physiology of Human Body
Functions The liver is classed as a gland and associated with many functions. It is difficult to give a precise number, as the organ is still being explored, but it is thought that the liver carries out distinct roles.
The major functions of the liver include: Bile production: Bile helps the small intestine break down and absorb fats , cholesterol , and some vitamins.
Bile consists of bile salts, cholesterol, bilirubin, electrolytes, and water. Absorbing and metabolizing bilirubin: Bilirubin is formed by the breakdown of hemoglobin. The iron released from hemoglobin is stored in the liver or bone marrow and used to make the next generation of blood cells.
Supporting blood clots: Vitamin K is necessary for the creation of certain coagulants that help clot the blood. Bile is essential for vitamin K absorption and is created in the liver.
If the liver does not produce enough bile, clotting factors cannot be produced. Fat metabolization: Bile breaks down fats and makes them easier to digest.
Metabolizing carbohydrates: Carbohydrates are stored in the liver, where they are broken down into glucose and siphoned into the bloodstream to maintain normal glucose levels. They are stored as glycogen and released whenever a quick burst of energy is needed.
It keeps significant amounts of these vitamins stored. In some cases, several years' worth of vitamins is held as a backup. The liver stores iron from hemoglobin in the form of ferritin, ready to make new red blood cells.
The liver also stores and releases copper. Helps metabolize proteins: Bile helps break down proteins for digestion.
Filters the blood: The liver filters and removes compounds from the body, including hormones, such as estrogen and aldosterone, and compounds from outside the body, including alcohol and other drugs. Immunological function: The liver is part of the mononuclear phagocyte system. It contains high numbers of Kupffer cells that are involved in immune activity. These cells destroy any disease-causing agents that might enter the liver through the gut.
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Anatomy of the Human Body
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Embeds 0 No embeds.Women Lie: Human Anatomy and Physiology Review Questions 1. These are the neurons and the neuroglia. Respiratory system contains several organs. Peripheral nerves radiate away from the brain and spinal cord. Spongy cancellous Bone tissue Is in the form of an open interlaced pattern that withstands maximum stress and supports in shifting stress.