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Mainly it is the body's outer skin. The integumentary system includes skin, hair, scales, feathers, hooves, claws, and nails. It has a variety of additional functions: it may serve to maintain water balance, protect the deeper tissues, excrete wastes, and regulate body temperature, and is the attachment site for sensory receptors which detect ...
Hippocampus. The hippocampus ( pl.: hippocampi; via Latin from Greek ἱππόκαμπος, ' seahorse ') is a major component of the brain of humans and other vertebrates. Humans and other mammals have two hippocampi, one in each side of the brain. The hippocampus is part of the limbic system, and plays important roles in the consolidation of ...
Iterated function system. Colored IFS designed using Apophysis software and rendered by the Electric Sheep. In mathematics, iterated function systems ( IFSs) are a method of constructing fractals; the resulting fractals are often self-similar. IFS fractals are more related to set theory than fractal geometry. [ 1] They were introduced in 1981.
Excretory system. The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical homeostasis and prevent damage to the body. The dual function of excretory systems is the elimination of the waste products of metabolism and to drain the ...
The organs known as the accessory digestive organs are the liver, gall bladder and pancreas. Other components include the mouth, salivary glands, tongue, teeth and epiglottis . The largest structure of the digestive system is the gastrointestinal tract (GI tract). This starts at the mouth and ends at the anus, covering a distance of about nine ...
The oldest person ever whose age has been independently verified is Jeanne Calment (1875–1997) of France, who lived to the age of 122 years and 164 days. [ b] The oldest verified man ever is Jiroemon Kimura (1897–2013) of Japan, who lived to the age of 116 years and 54 days. The oldest known living person is Tomiko Itooka of Japan, aged 116 ...
The innate immune system is an alternate defense strategy and is the dominant immune system response found in plants, fungi, prokaryotes, and invertebrates (see Beyond vertebrates ). [ 2] The major functions of the innate immune system are to: act as a physical and chemical barrier to infectious agents; via physical measures such as skin and ...
The Sistema Central is a primary feature of the Meseta Central, the inner Iberian plateau, splitting the meseta into two parts.The Sistema Central runs in an ENE - WSW direction roughly along the southern border of the Spanish autonomous community of Castile and León and Extremadura continuing into the Guarda and Castelo Branco districts in Portugal.