is carried out by a) Frogs b) Snakes c) Birds d) Fishes (10) Which of the following is not a function of the human skin? a) Protection b) Sensitivity c) Thermoregulation d) Gametogenesis (11) Mammalian glands which release their secretions directly into the blood stream without passing through ducts are
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GURUKULAM Syllabus for Recruitment Test Category of Post: PGT – Biological Science Part – I GENERAL KNOWLEDGE AND CURRENT AFFAIRS (Marks: 08) Part – II CHILD DEVELOPMENT AND PEDAGOGY (Marks: 08) 1. Development of Child Development‚ Growth & Maturation – Concept & Nature‚ Principles of development‚ Factors influencing Development – Biological‚ Psychological‚ Sociological‚ Dimensions of Development and their interrelationships – Physical & Motor‚ Cognitive‚ Emotional‚ Social‚ Moral‚ Language relating
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The 2000-Meter Row: A Case in Homeostasis Adapted from the National Center for Case Study Teaching in Science* by Nathan Strong At the start 1. Recall that Jim’s heart and respiratory rate are increased‚ he was sweating and that his mouth was dry before the raise began. Explain what is happening to his autonomic nervous system (including which division is the most active) and specify exactly how those ANS responses are creating the symptoms noted. What changes do you think are occurring
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Chapter 2- Darwin was the first to suggest how evolutionoccurs. Humans belong to the primate family known as hominins. Characteristics that evolved to perform one function but were co-opted to perform another function are called exaptations. Each group of three consecutive nucleotide bases along the strand of messenger RNA is called a codon‚ which instructs the ribosome to add amino acids to the protein being constructed. Subsequent to the nature-nuture issue‚ a second line of thought surrounding
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The Effects of Temperature‚ Acetylcholine‚ and Adrenaline on the Heart Rate of Daphnia magna Hieu Duong 6 April 2011 Introduction The heart is a muscular organ that constantly pumps blood throughout the human body. The continuous flow of blood creates a system for vital organs within the body to gain oxygen and nutrients. The timely delivery of oxygen to the body’s organs is very crucial. Brain cells‚ for example‚ will die within minutes if the flow of oxygen is obstructed. For the
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Homeostasis literally means “same state” and it refers to the process of keeping the internal body environment in a steady state‚ when the external environment is changed. The importance of this cannot be over-stressed‚ as it allows enzymes etc to be ‘fine-tuned’ to a particular set of conditions‚ and so to operate more efficiently. Much of the hormone system and autonomic nervous systems is dedicated to homeostasis‚ and their action is coordinated by the hypothalamus. In Module 2 we saw how
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What Are Apocrine Glands? Apocrine glands are located in the skin‚ breasts‚ eyelids‚ and ears. They are a type of exocrine gland‚ which are glands that secrete hormones into a duct. Counterparts of exocrine glands are endocrine glands that secrete their hormones directly into the bloodstream. Certain endocrine glands also release hormones called pancrines that affect only specifically targeted cells very close to where they are released. Examples of endocrine glands are the pituitary gland‚ pancreas
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can be reversed. (Hettiaratchy & Dziewulski‚ 2004) Damage to the epidermal barrier allows bacterial invasion and external fluid loss; damaged tissues often become edematous‚ further enhancing volume loss. Heat loss can be significant because thermoregulation of the damaged dermis is absent‚ particularly in wounds that are exposed. Cytokine and other inflammatory mediators release at the site of injury has a systemic effect once the burn reaches 30% of total body surface area. Classifications The
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Amanda Ingersoll Mrs. Scanavino BIO 209-S9 19 Mar. 2012 An Examination of Parkinson’s Disease and its Effects Through the study of anatomy and physiology‚ physicians have learned that Parkinson’s disease can be developed many ways‚ include many symptoms leading to diagnosis and although incurable can be treated and managed. According to the National Institute of Neurological Disorders and Strokes‚ Parkinson’s is a disease related to the loss or underactive production of dopamine producing
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Introduction In Australia‚ kangaroos are endemic marsupials from the family Macropodidae in Australia (Bradford‚ 2016). Under genus Macropus‚ there are 4 largest macropods that known as “great kangaroo” which are antilopine kangaroo‚ the eastern grey kangaroo‚ the western grey kangaroo and the red kangaroo (Bradford‚ 2016). Kangaroos vary in size across the species which red kangaroo is the largest marsupial with can grow to 1.6m and 90kg in weight while musky rat-kangaroo is only 6 to 8 inches
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