Essay 3 Shubham Tyagi How do our sensory systems work? Write about taste‚ sight‚ hearing and touch. Introduction Sensory systems are important to us; they let us perceive the environment. The senses can be broadly divided in to the sense of touch‚ smell‚ taste‚ vision and hearing. The seemingly simple perception is in fact not as simple as it sounds there is a lot of chemistry
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1. Within the circulatory system the liver has a unique anatomic location in that it effectively filters all blood coming from the intestinal tract by way of the portal vein before it is pumped to the general circulation. The liver often sees drugs at their highest concentrations‚ since it is the first organ perfused by blood containing the drug after absorption from the intestinal tract. Approximately 10-15% of total blood volume can be presented to the liver at any given time. The entire absorbed
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The human respiratory system is one of the chief and most important which is very instrumental for survival. Prime function of the respiratory system is breathing. Inhaling oxygen and exhaling carbon dioxide is all that takes plays by function of the respiratory organs. Breathing is a process by which oxygen in the air is brought in to the lungs and further in to close contact with blood. The blood absorbs the oxygen and carries to all parts of the body. Simultaneously blood gives up waste matter
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Nervous System Functions of the Nervous System 1. Detect changes and feel sensations 2. Initiate responses to changes 3. Organize and store information Divisions 1. Central Nervous System – brain and spinal cord 2. Peripheral Nervous System – cranial nerves and spinal nerves (relays info to/from the CNS) - Autonomic Nervous System Nerve Tissue – neurons (nerve fibers) and specialized cells (Schwann‚ neuroglia) 1. Neuron cell body contains the nucleus; cell bodies are in the CNS or trunk;
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superhighway systems‚ they are the nervous system and the endocrine system‚ which secretes chemical messengers called hormones. According to (Myers‚ 2008‚ p 45)‚ “hormones are chemical messengers‚ manufactured by the endocrine glands‚ which are produced in one tissue and affect another.” Hormones travel through he bloodstream. The human body is comprised of 2 very important informational highways that influence every bit of aggression‚ food‚ and sexual desire that the brain process. The nervous system and
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Parts of the Skeletal System 1. ____________________ 2. ____________________ 3. ____________________ 4. ____________________ 5. ____________________ 6. ____________________ 7. ____________________ 8. ____________________ 9. ____________________ 10. ___________________ Worksheet No. 2 Injury to the Skeletal System Accidents may happen. There are some activities that you do which can cause injury to the Skeletal System. 1. What accidents
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Urinary System The urinary system has many things that could go wrong if you’re not taking care of yourself properly one of the diseases is called Painful Bladder Syndrome also known as ‘PBS’. This disorder is chronic and could possibly causes lots of pain‚ inflammation and because of these things it could cause your bladder to have a limit on how urine it could hold at a time. Which in result you have the urge to empty your bladder often‚ your physician will be able to diagnose this by doing a
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are protected by the ribs and the vertical column protects the spinal cord. For example you will see this happen in many sports such as boxing‚ the skull protects the brain from impact of a punch during a fight. Support/ Shape: The skeletal system gives the human body structure. It supports the internal organs that are held within the body in a network of tissue. Bones give us form. In sports support and shape are also used for example in a rugby scum‚ to body needs to be placed in
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When the coffee is finished‚ our coffee maker’s beeping creates pressure changes‚ which move away from the machine and radiate to the individual’s location across the room. The waves reach the outer ear‚ which contains structures known as the pinnae‚ angled such that sound waves bounce off them and resonate. They enter the auditory canal after being significantly amplified before reaching the tympanic membrane. The waves strike the membrane and cause it to vibrate‚ which subsequently transmits them
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The musculoskeletal system helps the body by giving it shape and form. Without bones and muscles‚ a human would not be able to live very long because the bones protect the organs and the muscles help the body move. Although many people go through their whole life without having a single problem with this system‚ there are many diseases that make everyday life seem like just another hurdle they have to get over. A muscle disease is Central Core Disease (CDC). CDC is a rare genetic disease from birth
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