Defecation or feceation (known colloquially as pooping or shitting (slang) or having a "bowel movement") is the act of eliminating solid or semisolid waste material from the Food, after being partially broken down in the mouth, passes through the esophagus to the stomach, where the process of breakdown continues. It then passes to the small intestine where further breakdown occurs, and the useful particles are absorbed into the bloodstream. The remaining particles pass through the large intestine... digestive tract. Human beings are defined variously in biological, spiritual, and cultural terms, or in combinations thereof. Biologists classify human beings as or was only used adjectivally (pertaining to mankind). Nominal use of is used neutrally (as in ; c. f. Linnaeus, 1758 Subspecies , of which the only extant subspecies is . Humans exhibit... Humans remove waste anywhere from several times daily to a few times weekly; Families Megalonychidae Bradypodidae Sloths are medium-sized South American mammals belonging to the families Megalonychidae and Bradypodidae, part of the order Xenarthra. Sloths are herbivores, eating very little other than leaves. Sloths have made extraordinary adaptations to an arboreal browsing lifestyle. Leaves, their main food source, provide very little energy... sloths can go for a week or more without eliminating. Waves of Structure of a skeletal muscle Muscle is one of the four tissue types. The other three types are: epithelium, connective tissue and nervous tissue. The primary purpose of muscle tissue is to contract. Muscle contraction is used to move parts of the body, as well as to move substances within... muscular contraction known as Peristalsis is the process of involuntary wave-like successive muscular contractions by which food is moved through the digestive tract. The large, hollow organs of the digestive system contain muscle that enables their walls to move. The movement of organ walls can propel food and liquid and also can mix... peristalsis in the walls of the In anatomy of the digestive system, the colon is the part of the intestine from the cecum to the rectum. Its primary purpose is to extract water from feces. In mammals, it consists of the ascending colon on the right side, the transverse colon, the descending colon on the left... colon move Feces (also spelled faeces or fæces) are the waste products from the digestive tract expelled through the anus during is the plural of the Latin word is a vulgar term for feces in English. Coprophilia is a sexual attraction to feces. Coprophagia is the extremely hazardous practice of eating... fecal matter through the digestive tract towards the The posterior aspect of the rectum exposed by removing the lower part of the sacrum and the coccyx. The Rectum is the final portion of the large intestine in some mammals, and the gut in others, terminating in the anus. Medical procedures For the diagnosis of certain ailments, a rectal... rectum. Undigested food may also be expelled this way; this process is called egestion.

The The posterior aspect of the rectum exposed by removing the lower part of the sacrum and the coccyx. The Rectum is the final portion of the large intestine in some mammals, and the gut in others, terminating in the anus. Medical procedures For the diagnosis of certain ailments, a rectal... rectum ampulla (anatomically also: ampulla recti) acts as a temporary storage facility for the waste material. As the rectal walls expand due to the materials filling it from within, stretch receptors from the The nervous system of an animal coordinates the activity of the muscles, monitors the organs, constructs and processes input from the senses, and initiates actions. (see Central Nervous System). In animals with brains, the nervous system also generates and conducts thoughts and emotions. Thus it is the system that animates... nervous system located in the rectal walls stimulate the desire to defecate. If the urge is not acted upon, the material in the rectum is often returned to the In anatomy of the digestive system, the colon is the part of the intestine from the cecum to the rectum. Its primary purpose is to extract water from feces. In mammals, it consists of the ascending colon on the right side, the transverse colon, the descending colon on the left... colon where more Drinking water Water (from Low German or Old Saxon) is an abundant substance on Earth. It exists in many places and forms: mostly as our planets oceans and our planets polar ice-caps, but also as clouds, rain water, rivers or freshwaters, and sea ice. On the planet... water is absorbed. If defecation is delayed for a prolonged period the fecal matter may harden, resulting in Constipation is a condition of the digestive system where a person (or other animal) experiences difficulty in eliminating feces. Most doctors do not consider a person constipated unless they are experiencing difficulty passing hard, dry stool, and there has been a decrease in the number of bowel movements from the... constipation.

Diagram of the rectum and anus. [1] File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. Click on date to download the file or see the image uploaded on that date. (del) (cur) 02:41, 28 Sep 2004 . . Zh...

Anatomy of the anus and rectum

When the rectum is full the increase in intrarectal pressure forces the walls of the anal canal apart allowing the fecal matter to enter the canal. The rectum shortens as material is forced into the anal canal and peristaltic waves propel the feces out of the rectum. The internal and external From late Latin , or Urethral sphincter Pyloric sphincter, at the lower end of the stomach Sphincter pupillae, or Pupillary sphincter, belonging to the iris in the eye Categories: Anatomy ... sphincters of the anus allow the feces to be passed by muscles pulling the Male Anatomy The anus, in anatomy, is the external opening of the rectum. It is controlled by sphincter muscles. Feces are expelled from the body through the anus during the act of defecation, which is the primary function of the anus. Most animals — from primitive worms all the way... anus up over the exiting feces.

During defecation the This article is in need of attention. Please see its listing on . Anatomy of the chest - Humans and other hominids Chest of a human male In hominids, the chest is the region of the body between the neck and the abdomen, along with its internal organs and other contents. It... chest muscles, A diagram of the thoracic muscles featuring the diaphragm In the anatomy of mammals, the diaphragm is a shelf of muscle extending across the bottom of the ribcage. Its latin name is the is a tear in the diaphragm. If the diaphragm is struck, or for other reasons, it may... diaphragm, abdominal wall muscles, and Human male pelvis, viewed from front Human female pelvis, viewed from front The pelvis is the bony structure located at the base of the spine (properly known as the caudal end). The pelvis incorporates the socket portion of the hip joint for each leg (in bipeds) or hind leg (in... pelvic diaphragm all exert pressure on the digestive tract and Respiration can refer to: Cellular respiration, which is the use of oxygen in the metabolism of organic molecules. Physiological respiration, which exchanges oxygen and carbon dioxide between an organism and the external environment. Categories: Disambiguation ... respiration temporarily ceases as the lungs push the chest diaphragm down in order to exert pressure. Blood pressure is the pressure exerted by the blood on the walls of the blood vessels. Unless indicated otherwise, by placing a cannula into a blood vessel and connecting it to a electronic pressure transducer. This invasive technique is regularly employed in intensive care medicine, anesthesiology, and for research purposes... Blood pressure rises throughout the body and the amount of blood pumped by the heart decreases. Death has been known to occur in cases where defecation causes the blood pressure to rise enough to cause the rupture of an An aneurysm (or aneurism) (from Gr. ανευρυσμα, a dilatation) is a localized dilation or ballooning of a blood vessel. Aneurysms most commonly occur in the arteries at the base of the brain (the circle of Willis) and in the aorta (the main... aneurysm or to dislodge Red blood cells (erythrocytes) are present in the blood and help carry oxygen to the rest of the cells in the body Blood is a circulating tissue composed of fluid plasma and cells ( red blood cells, white blood cells, platelets). Medical terms related to blood often begin in of the... blood clots (see Thrombosis is the formation of a clot or thrombus inside a blood vessel, obstructing the flow of blood through the circulatory system. Thromboembolism is a general term describing both thrombosis and its main complication: dislodgement of a clot and embolisation. Causes Classically, thrombosis is caused by abnormalities in one or... thrombosis).

Defecation may be involuntary or under voluntary control. Loss of control may be caused by physical injury, intense emotions, impaired water absorption in the colon (see Diarrhea in American English, (spelled diarrhoea elsewhere) is a condition in which the sufferer has frequent and watery bowel movements (from the ancient Greek word infection is potentially serious, and is often related to antibiotic use. Parasites and worms sometime cause diarrhea but often present with weight loss, irritability, rashes... diarrhea), and Psychology (ancient Greek: or The root of the word psychology ( which laid many of the foundations for the sorts of questions that psychologists would focus on for years to come. Crucially, the approach of Wundt and James did not involve metaphysics or religious explanations of human thought and behaviour, freeing... psychological or Neurology is a branch of medicine dealing with disorders of the central and peripheral nervous systems. Surgical operations on the nervous system are done by specialist neurosurgeons. Neurological disorders are disorders of the central nervous system (brain, brainstem and cerebellum), the peripheral nervous system (including cranial nerves), and the autonomic... neurological factors. See Fecal incontinence is the inability to control ones bowels. When one feels the urge to have a bowel movement, they may not be able to hold it until they can get to a toilet, or stool may leak from the rectum unexpectedly. It affects people of all ages--children... fecal incontinence for a discussion of this.

The positions and modalities of defecation are culture-dependent. In some countries, like The Republic of Turkey is a country located in Southwest Asia with a small part of its territory (3%) in southeastern Europe. Until 1922, the country was the center of the Ottoman Empire. The Anatolian peninsula, between the Black Sea and the Mediterranean Sea, forms the core of the country... Turkey and Official language Japanese Capital Tokyo Largest City Tokyo Emperor Akihito Prime Minister Junichiro Koizumi Area  - Total  - % water Ranked 60th 377,835 km² 0.8% Population  - Total ( 2004)  - Density Ranked 10th 127,333,002 337/km² GDP  - Total (PPP, 2005)  - Total (nominal)  ... Japan, it is customary to squat (thus French Squatter toilet A squat toilet is a toilet where the user squats. There are several types of squat toilets, including: the Turkish toilet where the user puts his or her feet on feet rests; the user faces the entrance to the stall; it is prevalent in Turkey and can... squat toilets), while in most of the The term Western world can have multiple meanings depending on its context. Originally defined as Europe, most modern uses of the term refer to the societies of Europe and their genealogical, colonial, and philosophical descendants, typically also including those countries whose ethnic identity and dominant culture derive from European culture... Western World sit-down Flush toilet A toilet is a plumbing fixture devised for the disposal of bodily wastes, including urine, feces, menses and vomit. The word came to be used in English along with other French fashions (first noted 1681), and originally referred to the whole complex of operations of hairdressing and body... toilets are used. Similarly, the anus and buttocks may be cleared with Toilet paper is a tissue paper product designed for the cleansing of the anus after defecation or the genitals after urination. A roll of toilet paper. Toilet paper possesses a different composition than facial tissue. Toilet paper is designed to break apart when wet so as to not clog drain... toilet paper, or with water (compare A bidet is a low-mounted plumbing fixture or type of sink intended for washing the external genitalia and the anus. using the bidet; its purpose is to wash afterwards. It is generally understood that you should sit on a bidet facing the faucet and nozzle, however that is not... bidet).