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The urinary system (also known as renal system) filter blood with the help of kidneys to produce urine, and get rid of waste. See also. List of distinct cell types in the adult human body; List of organs of the human body
Other animals have similar organ systems to humans although simpler animals may have fewer organs in an organ system or even fewer organ systems. Humans Nervous system in a human body. There are 11 distinct organ systems in human beings, which form the basis of human anatomy and physiology. The 11 organ systems: the respiratory system ...
Living systems. Living systems are life forms (or, more colloquially known as living things) treated as a system. They are said to be open self-organizing and said to interact with their environment. These systems are maintained by flows of information, energy and matter. Multiple theories of living systems have been proposed.
The human body is composed of elements including hydrogen, oxygen, carbon, calcium and phosphorus. These elements reside in trillions of cells and non-cellular components of the body. The adult male body is about 60% water for a total water content of some 42 litres (9.2 imp gal; 11 US gal).
The main elements that comprise the human body (including water) can be summarized as CHNOPS . About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium.
Biology. Physiology ( / ˌfɪziˈɒlədʒi /; from Ancient Greek φύσις (phúsis) 'nature, origin', and -λογία ( -logía) 'study of') [1] is the scientific study of functions and mechanisms in a living system. [2] [3] As a subdiscipline of biology, physiology focuses on how organisms, organ systems, individual organs, cells, and ...
t. e. This article contains a list of organs of the human body. It is widely believed that there are 79 organs (this number goes up if you count each bone and muscle as an organ on their own, which is becoming more common practice to do [1] [2] ); however, there is no universal standard definition of what constitutes an organ, and some tissue ...
the brachial region encompassing the upper arm, the antecubital region encompassing the front of the elbow, the antebrachial region encompassing the forearm, the carpal region encompassing the wrist, the palmar region encompassing the palm, the digital/phalangeal region encompassing the fingers. The thumb is referred to as the pollex.