External Organs Of Human Body And Their Functions Pdf
File Name: external organs of human body and their functions .zip
Have you ever wondered how many muscles you have in your body? The answer to this question actually depends on the type of muscle.
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List of organs of the human body
Different organs can work together to perform a common function, like how the parts of your digestive system break down food. We refer to an integrated unit as an organ system. Groups of organ systems work together to make complete, functional organisms, like us! There are 11 major organ systems in the human body. The circulatory system is a body-wide network of blood, blood vessels, and lymph.
Please understand that our phone lines must be clear for urgent medical care needs. When this changes, we will update this web site. Please know that our vaccine supply is extremely small. The liver is located in the upper right-hand portion of the abdominal cavity, beneath the diaphragm, and on top of the stomach, right kidney, and intestines. These lobules are connected to small ducts tubes that connect with larger ducts to form the common hepatic duct.
Body Functions & Life Process
Body functions are the physiological or psychological functions of body systems. The body's functions are ultimately its cells' functions. Survival is the body's most important business. Survival depends on the body's maintaining or restoring homeostasis , a state of relative constancy, of its internal environment. More than a century ago, French physiologist, Claude Bernard , made a remarkable observation.
The term tissue is used to describe a group of cells that are similar in structure and perform a specific function. Histology is the the field of study that involves the microscopic examination of tissue appearance, organization, and function. Tissues are organized into four broad categories based on structural and functional similarities. The primary tissue types work together to contribute to the overall health and maintenance of the human body. Thus, any disruption in the structure of a tissue can lead to injury or disease. Epithelial tissue refers to groups of cells that cover the exterior surfaces of the body, line internal cavities and passageways, and form certain glands. Connective tissue , as its name implies, binds the cells and organs of the body together.
Human Body Worksheets
Younger primary students may have little knowledge about internal bodily organs. They tend to think the contents of the body are what they have seen being put into or coming out of it, such as food and blood. Their experiences with everyday cuts, scratches and bruises seem to reinforce a view that blood is below the surface of the skin, filling the spaces inside the body like a bag of blood. Older children are more likely to be able to list a large number of organs but may not fully understand the function or interconnected nature of these. For example, students at these levels may realise that the heart is a pump but not realise that the blood returns to the heart, or they may believe that the brain helps the body parts but not always realise that the body helps the brain.
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This article contains a list of organs of the human body. It is widely believed that there are organs; however, there is no universally standard definition of what constitutes an organ, and some tissue groups' status as one is debated. For example, this list contains much more than 79 different organs. This article incorporates text in the public domain from the 20th edition of Gray's Anatomy
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