in the mouth. Once food enters the mouth‚ teeth chew it. The salivary glands produce saliva‚ which is mixed with food while chewing. Saliva helps break the food into smaller pieces. These small pieces travel down the esophagus to the stomach after being swallowed. Next‚ is the location where digestion starts‚ the stomach. Food enters the stomach through a valve after the chewed food passes the bottom of the esophagus. Gastric glands in the stomach produce acidic gastric juices. As the stomach wall
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research in conditioning. This experiment‚ which began in 1889‚ had an influence on the development of physiologically oriented behaviorist theories of psychology in the early years of the nineteenth century. His work on the physiology of the digestive glands won him the 1904 Nobel Prize in physiology or medicine. CONTRIBUTIONS Pavlov ’s first independent work focused on the physiology of the circulation of the blood (Girogian‚ 1974). He studied the influence of variations in blood volume on blood pressure
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are three main steps in the digestive process: ingestion‚ digestion and absorption. The first step of the digestive process occurs in the mouth‚ and is known as ingestion. Once food is brought to the mouth are chewed by the teeth. In turn the salivary glands begin to secrete saliva. This has a role important‚ mixed with food‚ allowing the start of the disintegration
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SH Lymphatic structures and organs | Slide: Blood‚ humanStain/colour: H&ELink: http://vslide.med.unsw.edu.au/flashslide.jsp?fn=aacr_b33.svs&mag=80 Prominent features: * Identify the different kinds of blood cells. * Note the large number of RBCs compared to WBCs –doughnut shaped‚ no nuclei. Use as “measuring stick” – 7 microns. * Platelets are much smaller – purple fragments. * Monocytes: large‚ bean-shaped nuclei * Neutrophils: small granules in cytoplasm‚ multi-lobed
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DEFINITION Eating disorders‚ also called body dysmorphic disorders‚ means a group of conditions defined as abnormal eating habits that may include either insufficient or excessive food intake which leads to detriment of an individual’s physical and mental health. The most common forms of eating disorders are bulimia nervosa‚ anorexia nervosa‚ and binge eating disorder. This disorder affects both males and females. It is usually found in adolescents and young adults who follow unhealthy diet
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Digestive Systems in Different Animals Different species of animals have different digestive systems which are adapted to their unique requirements. The type of food‚ method of food gathering and energy needs are some factors that influence the type of digestive system an animal needs in order to survive. Herbivores have a more specialised digestive system than that of a carnivore because it is more difficult to digest vegetation than meat. The teeth are flat so that grass and plant material can
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ulcer are parietal cell that secrete HCI and the gastric glands the secrete acetylcholine.
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COVENANT UNIVERSITY DEPARTMENT OF BIOLOGICAL SCIENCES NAME: OBUEKWE CHUKWUEMEKA AZUBUIKE MAT NO: 12CQ014230 PROGRAMME: MICROBIOLOGY COURSE TITLE:CLINICAL PARASITOLOGY CODE: BLY 225 TOPIC: DESCRIPTION OF THE BIOLOGY AND LIFE CYCLE OF PLASMODIUM INTRODUCTION Plasmodium‚ a genus of parasitic protozoans of the sporozoan subclass Coccidia that are the causative organisms of malaria. Plasmodium‚ which infects red blood cells in mammals (including humans)‚ birds‚ and reptiles
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performs maintenance activities. Its main focus is to conserve the body’s energy. Parasympathetic division involves the D activities such as digestion‚ defecation‚ diuresis. The parasympathetic division of the ANS increases the digestive gland‚ urination‚ defecation‚ salivary secretions and Blood pressure. . It also decreases metabolic rate and heart rate. A good example is when a person relaxes after a meal. Their blood pressure‚ respirations and heart rate levels are lowered. Gastrointestinal activity
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stratified epithelia has 2 or more cells on top of each other this is known for protection such as the skin and mouth‚ simple cubodial: these tend to be bigger and have a box shape known excretion and absorption play a big part known to be found in the glands ducts‚ and portion of the kidney tubles‚ simple columnar: one layer very tall and skinny known for absorption and secrtetion can be found in the digestive tract to the stomach and rectum. Psuedostratified columnar looks like there is many cells however
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