exist many classes of animals whose organisms possess unique characteristics. When comparing the cat‚ of the class Mammalia‚ to that of the class Reptilia‚ five attributes that are quite different between the classes are their thermoregulation‚ epidermis‚ metabolic rate‚ reproduction‚ and body structure. Thermoregulation‚ for mammals and reptiles are the opposite of each other when compared together. As mammals are warm-blooded‚ which means reptiles are cold-blooded. Mammals are warm-blooded creatures
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Syllabus topic: Cell structure Aim: To observe and draw transverse sections of parenchyma‚ collenchyma‚ sclerenchyma‚ xylem‚ phloem and epidermal cells using a light microscope. Apparatus and Materials: Light microscope; microscopic slide of dicotyledonous stem Method: 1. The light microscope was plugged into a power source‚ and switched on. 2. The coarse focus of the light microscope was adjusted with both hands to move the stage downwards. 3. The slide with the dicotyledonous stem
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Name____________________________________ Two case studies on the integumentary system Chief Complaint: 8-year-old girl admitted for severe second- and third-degree burns following her rescue from a burning house. History: Angela Creighton‚ an 8-year-old white female‚ was transported by ambulance to the emergency room after being rescued from her burning house. She was asleep at night when a spark from the family fireplace started a fire‚ leaving her trapped in her bedroom. By the time the fire
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EPIDERMIS It is epithelial tissue which provide protection to the internal and external surfaces of the. DERMIS The dermis is second layer of skin which lies in between the epidermis and the subcutaneous layer. It is thicker than the epidermis. It contains the skin structures like hair‚ sweat glands‚ and sebaceous glands all are being rooted in the dermis. This layer
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First degree burns are the least severe and only involves the epidermis. First degree burns are usually caused by the sun and result in slight swelling‚ pain‚ and redness. Second degree burns involve the epidermis as well as the dermis. These burns involve blistering in addition to the swelling‚ redness and pain. Second degree burns may appear white‚ red‚ or even tan and can produce scarring
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absorption‚ and synthesis of vitamin D. 18 Type of tissue that protects and supports the body and its organs‚ binds organs together‚ stores energy reserves as fat‚ and provides immunity. Connective tissue 19 A tough‚ fibrous protein found in the epidermis that helps protect the skin and underlying tissues from heat‚ microbes‚ and chemicals. Keratin 20 Type of tissue that generates the force needed to make body structures move. Can be classified as either skeletal‚ cardiac‚ or smooth. muscular
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Definition Burns can be caused by flame‚ UV radiation‚ hot liquids‚ electricity‚ lightning and certain chemicals. Major burns are a medical emergency and require urgent medical attention. In some cases‚ skin graft surgery is needed (Atkinson A.‚ 1998) . Different types of burns There are four types of burns: * Thermal burns caused by fire‚ hot objects‚ hot liquids‚ and gases; or by nuclear blast or fireball Thermal burn treatment . enlarge | info | Fig. 1 Thermal burn - full thickness
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approximately equal numbers of Gram-positive and Gram-negative bacteria. Spore-forming bacteria. Enteric. 2. The outer layer of the skin is the _________ while the deeper layer is the _________ cutaneous‚ keratin. dermis‚ sebum. mucous‚ epidermis. epidermis‚ dermis. sebum‚ keratin. 3. A massive lesion caused by the spread of Staphylococcus aureus infection (often on the neck and upper back) is called a ________ boil. furuncle. Carbuncle. abscess. pustule. 4. Scalded skin syndrome is caused
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HEATHER TOUPS A/P I T&R 10TH EDITION TEXT SELF QUIZ CHAPTER 3 Fill in the blanks in the following statements. 1. The three principal parts of the cell are the plasma membrane‚ cytoplasm and nucleus 2. Apoptosis refers to programmed cell death‚ whereas necrosis refers to cell death resulting from tissue injury. 3. The fluid portion of the cytoplasm is the cytosol 4. List three causes of cellular aging. 1)shortening and loss of protective polemeres
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2. Focus the specimen under the scanner. 3. Draw the specimen. Include a brief description. B. Dermal Tissue 1. Obtain a leaf of Rhoeo spathacea. 2. Prepare an epidermal tissue wet mount by peeling off a portion of the upper epidermis. 3. Examine the tissue under the HPO. 4. Draw the epidermal cells. Include a brief
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