endoderm layers and can put more complex and complicated organ systems in the space. Nematoda rigid cuticle works with the muscles and acts as hydrostatic skeleton and circulatory system as nematodes lack circumferential muscles. While the Circulation of flatworm has a gastrovascular cavity with one opening. It eats small worms‚ insects and microscopic matter. Digestion A flatworm has a simple form and combination digestive and excretory system. It takes food in and gets rid of wastes from the single
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growth and development does occur. Following is a description of how the pathways of this intricate web are followed and the mistakes which happen when they are not. The impressive process of differentiation changes a single-cell into a complicated system of cells as distinct as bold and bone. Although embryonic development takes approximately nine months‚ the greatest amount of cellular differentiation takes place during the first eight weeks of pregnancy. This period is called embryogenesis. During
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CHAPTER NO-5 KINGDOM ANIMALIA Phylum Porifera (GK: Porous = Pores + Ferro = form) Main characters: 1. They are commonly called as sponges. 2. They are sessile animals. 3. Sponges range in height from about 1cm to 2cm. 4. More than 5000 species of sponges are found. 5. All are marine‚ while some are fresh water. 6. The central body cavity is called spongocoel. 7. A single large opening is called as osculum. 8. They are filter feeders. 9. Body lining is formed by flagellated cells
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broken down into categories (Capuzzi & Stauffer‚ 2015). Substances that are popular and highly addictive yet cause very different out reactions are amphetamines and opiates. Amphetamines are a group of synthetic psychoactive drugs called central nervous system (CNS) stimulants. Amphetamines came
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Essay Topic: The impact and the dramatic effects of alcohol on the human body. Essay Questions: Why is alcohol considered to be a destructive substance? How does social drinking influence the alcohol habits of the society? What are the side effects of the alcohol abuse side effects? What major physical changes occur in the human body of an alcoholic? Thesis Statement: The contemporary medical world is very much concerned with the female alcohol abuse phenomenon and the appearance
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Guillain-Barré Syndrome (GBS) is a rapidly progressing disorder in which the body’s immune system attacks the peripheral nervous system and causes motor weakness. The progression of the disorder is as quick as hours‚ days‚ or even weeks from the onset of symptoms. Medical attention should be sought after as soon as possible on the account of the disease could become life threatening if the progression affects the muscles that control the breathing. The progression in which GBS affects the body
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Get valium prescribed to tamp down depression Depression is a mood disorder whereby an individual feels continuous sadness‚ hopelessness as well as being unimportant and most of the time he or she is unable to live a normal life. This condition is common in the society. That is why there are various medications for instance Valium‚ which is used to curb depression. Downheartedness just like any other disorder can be managed by use of prescription. Valium is one of the many drugsused for depression
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biologist named Otto Loewi‚ who would later win the Nobel Prize for his work. Acetylcholine has many functions: It is responsible for much of the stimulation of muscles‚ including the muscles of the gastro-intestinal system. It is also found in sensory neurons and in the autonomic nervous system‚ and has a part in scheduling REM (dream) sleep. The plant poisons curare and hemlock cause paralysis by blocking the acetylcholine receptor sites of muscle cells. The well-known poison botulin works by preventing
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Name: Ella Samantha M.Blaido Date: November 14‚2014 Teacher: Mrs.Marilou C.Zerrudo Gr./Section:V-Pythagoras Harmful Effects ON THE BRAIN AND CENTRAL NERVOUS SYSTEM -Alcohol is a depressant‚ which slows down the central nervous system and can cause drowsiness‚ relieve pain and induce sleep. - Drinker experiences mild euphoria and loss of inhibition as alcohol impairs region of the brain controlling behavior and emotions. Alcohol impairs behavior‚ judgment‚ memory‚ concentration and coordination
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following: Explain the communication process of neurons in the brain. List some common neurotransmitters and describe their effect on behavior. There are 2 neurons afferent neurons these carry messages to the central nervous system. Efferent neurons carry messages from the central nervous system. Neurons communicate through voltage changes. This can sometimes lead to quick action reaction sequence of voltage alterations. An example would be when you touch something hot and you pull your hand away immediately
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