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In a multicellular organism, an organ is a collection of tissues joined in a structural unit to serve a common function. [1] In the hierarchy of life, an organ lies between tissue and an organ system. Tissues are formed from same type cells to act together in a function. Tissues of different types combine to form an organ which has a specific ...
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Main article: List of systems of the human body Nervous system in a human body. There are 11 distinct organ systems in human beings, [2] which form the basis of human anatomy and physiology.
The body consists of many different types of tissue, defined as cells that act with a specialised function. [8] The study of tissues is called histology and is often done with a microscope. The body consists of four main types of tissues. These are lining cells , connective tissue, nerve tissue and muscle tissue. [9]
The tissue structure is more like a sponge with polygonal spaces that unfold and fold under negative pressure from the chest wall. [286] Half of body heat is not lost through the head, and covering the head is no more effective at preventing heat loss than covering any other portion of the body. Heat is lost from the body in proportion to the ...
The consumer price index released on November 13 showed prices of consumer goods and services rising 2.6% year over year, while the producer price index released on November 14 reported a similar ...
A musical inspired by viral Olympic breakdancer Raygun was shut down hours before it was due to open on Saturday, after lawyers representing the athlete threatened legal action, the show’s ...
The main types are loose connective tissue, adipose tissue, fibrous connective tissue, cartilage and bone. The extracellular matrix contains proteins, the chief and most abundant of which is collagen. Collagen plays a major part in organizing and maintaining tissues. The matrix can be modified to form a skeleton to support or protect the body.