Lymphatic/Immune System Structures: White Blood Cells‚ thymus‚ spleen‚ lymph nodes‚ lymph vessels Function: Helps protect the body from disease‚ helps collect the fluid lost from blood vessels and returns the fluid to the circulatory system Pathogen- Disease Causing Agent Vector- animal that carries pathogens from person to person Bacteria- domain of unicellular prokaryotes that have cell walls containing peptidoglycan Virus- particle made up of nucleic acid‚ protein‚ and in some cases lipids
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of the human body’s lymphatic system." The lymphatic system is a complex network of vessels‚ ducts and capillaries‚ which run through out the body. There are many components’ in the lymphatic system‚ including; lymph fluid‚ lymphatic vessels‚ the lymphatic duct‚ lymph nodes‚ lacteals and the spleen. The lymphatic system and it’s importance were not recognised until the 1960’s. The lymphatic system has 3 main importance’s and functions. The lymphatic system plays a large part in the immunity
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Paper #1 Integumentary System Disorder Alopecia areata is a disease that affects the integumentary system.1 It is a disease that affects the hair follicles‚ which are part of the skin from which hairs grow. 1 In most cases‚ hair falls out in small‚ round patches about the size of a quarter.2 Many people with the disease get only a few bare patches. Some people may lose more hair.2 Rarely‚ the disease causes total loss of hair on the head or complete loss of hair on the
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Transport Systems Essay In single celled organisms‚ nutrients‚ water and various substances that are need for basic cellular processes can easily be transported in and out through the cell membrane. This is an effective transport system for microscopic organisms‚ but multicellular organisms require a more complex transport system to sustain itself. Take humans for example; unlike a cell‚ only the outer layer of skin is in contact with the body’s outside environment. It’s not possible for substances
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Digestive system disorders Digestive system disorders can cause a lot of discomfort. Symptoms can include gas‚ diarrhea‚ constipation‚ cramps‚ nausea and vomiting. These common symptoms can have very different causes. These kinds of symptoms can make digestive disorders hard to diagnose. Celiac disease Celiac disease occurs when the body’s immune system reacts to a type of protein called gluten. If a person eats food that contains gluten‚ the immune system will gradually damage the lining of
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The lymphatic system is an amazing system of the body which is responsible for cleaning up the messes made by other systems of the body. In doing so‚ the lymphatic system does several jobs in the body. According to the Cancer Research UK‚ the lymphatic system is in charge of draining lymphatic fluid back into the bloodstream from the tissues‚ filters lymph‚ filters the blood‚ and fights infections. Unfortunately‚ as the lymphatic system goes about its regular duties‚ cancer can appear in the lymph
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21/04/2013 Lymphatic System & Immunity Manuel Desco Dept. Bioingeniería Principles of Human Anatomy and Physiology‚ 11e Anatomy and Physiology I 1 INTRODUCTION The ability to ward off the pathogens that produce disease is called resistance – Lack of resistance is called susceptibility Resistance to disease can be grouped into two broad areas – Nonspecific resistance: general defensive mechanisms effective on a wide range of pathogens – Immunity: activation of specific
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Diseases in the Bone: |Diseases: |Cause |Symptoms |Treatment | |Osteoporosis |Loss of bone mass‚ ageing‚ bone density decrease‚ |Fracture (often first sign)‚ |Lifestyle changes – increase | | |weakened bones‚ menopause (drop in oestrogen)‚ bone |symptoms are not very |calcium intake‚ vitamin D | |
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Merit task- lymphatic system A detailed explanation as to how the lymphatic system protects the body showing use of at least 4 different types of information. It protects the body by the lymph nodes. They are hundreds of small lymph nodes clustered along the lymphatic vessels. They are bean shaped and less than 2.5cm long. Each is surrounded by a fibrous capsule. Strands of connective tissue from the capsule extend inwards and divide the node into compartments. Many reticulate fibres support
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atlantic system was a trade in the 1600s between Africa‚ Europe‚ and the Americas. It was an extraordinary trade of peoples‚ plants‚ animals‚ and diseases. It had an impact around the world and still does to this day. It is considered a drastic turning point in human history and earth’s ecology. There are good and bad sides of the creation of the atlantic system. Some were intentionally brought to different places and some were accidental. The most profound impact of the atlantic system was the transportation
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