It has long been believed that humankind owes its survival to bipedalism‚ which is the ability to walk on two legs. This is the first human characteristic to distinguish human from other primates. It is habitual‚ meaning that it is their primary form of transportation. This characteristic thrived in a time where forests were shrinking and the environment consisted wide grasslands and sparse woodland. The feature of bipedal locomotion lead hominids to manipulate their surroundings‚ bypassing their
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Sample essays and suggested plans for content 1. The process of diffusion and its importance in living organisms Definition Fick’s Law Types of diffusion e.g. Facilitated diffusion‚ osmosis Gas exchange in unicells‚ fish‚ mammals and plants Digestion and absorption of products Exchange of materials between blood in capillaries and tissues e.g. placenta Transpiration‚ root pressure‚ water and ion uptake by roots Translocation and mass flow hypothesis Osmoregulation by blood and kidney‚ unicells
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HSC OPTION: SPORTS MEDICINE How are sports injuries classified and managed? * Ways to classify sports injuries * Direct and indirect * Direct injuries are sustained from an external force causing injury at the point of contact‚ e.g. a hockey player receiving a bruise from being struck on the leg by a stick during a game. * Indirect injuries usually involve the athlete damaging the soft tissues such as the ligaments‚ tendons or muscles of the body through internal or external forces
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brain to the other. Pre optic area is important for its role in reproductive neuroendocrinology so the neurons‚ which are going to control the hypothalamic pituitary gonadal axis are to a large extent located here. It is also important for thermoregulation. Paraventricular‚ supraoptic and suprachiasmatic nuclei – Para – beyond the ventricle Supraoptic – above the lateral margin of the optic chiasm and tract Suprachiasmatic – just above the
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1. PHOTOPLETHYSMOGRAPHY Photoplethysmography (PPG) is a simple and low-cost optical technique that can be used to detect blood volume changes in the microvascular bed of tissue (1). Pulse Photoplethysmography was introduced to the world by Hertzman in the year 1938. It is a noninvasive technique that makes use of light source and a detector. The change in blood volume is synchronous to heart beat and hence this method can indirectly measure heart rate. PPG has been used to assess skin
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kangaroo care improves the mothers feelings towards the baby‚ makes the mother more sensitive and attached to the baby and promotes positive loving behaviors to her infant. In the newborn baby‚ kangaroo care decreases the incidence of having thermoregulation problems‚ problems with breastfeeding and an unstable heart rate‚ there is a decreased risk of apnea‚ and bradycardia and it promotes a faster/healthier growth rate in the infant. In both the mother and the infant‚ the benefits include a shorter
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The primary diagnosis of my patient is prematurity‚ she was born at 36 weeks and is considered a late preterm infant. Late preterm infants are at an increased risk for early death and long- term health problems when compared with infants who are born full term (Alden‚ 2012‚ p. 780). Late preterm are also at greater risk for complications such as respiratory distress and are more likely to be hospitalized longer and require intensive care. In addition‚ preterm infants are at risk because their
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control its heat loss. The regulation of body temperature is the role of the hypothalamus. It sends nerve impulses to muscles‚ sweat glands and skin blood vessels to cause changes that counteract the external changes - the skin is the main organ of thermoregulation. Our body also responds to temperature change (heat loss/gain). This is shown when we are cooling down as the metabolism speeds up‚ we shiver to produce heat and we experience vasoconstrictions which is the blood diverting through the lower
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TITLE PINEAL GLAND: “THE HIDDEN EYE” INTRODUCTION The third eye‚ also referred as parietal eye or pineal eye‚ is a photosensory organ that triggers hormone production and thermoregulation. This eye cannot see in quite the same way as the main eyes‚ instead only detecting shapes and shadows rather than full pictures. They are also highly sensitive to changes in light and dark – producing markedly different hormones based on time of day. It produces melatonin‚ a hormone that affects the modulation
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QUEENSLAND GOVERNMENT | Adaptations | A comparison of the salt water crocodile and fresh water crocodile | | | 2/27/2012 | | Figure 1 – Saltwater Crocodile Figure 2 – Freshwater Crocodile Subject: SCX101B School: Name: Completed: 12/03/12 I declare that the work submitted is my own with no part written/produced for me by any other person. I have acknowledged the people who have provided assistance and the materials referred to in developing my ideas have been acknowledged
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