environment. Helpful bacteria also are integral to maintaining homeostasis in the digestive system. It is estimated that the average human has around 500 species of helpful bacteria‚ also known as intestinal microflora‚ in the digestive tract‚ mostly concentrated in the large intestine. These bacteria aid in digestion‚ help produce vitamins‚ help formulate excrement and guard against harmful bacteria. When the bacteria population in a digestive tract is thrown off or decimated‚ the host will notice a change
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Biology- Maintaining a Balance Summary 1. Most organisms are active in a limited temperature range 1. identify the role of enzymes in metabolism‚ describe their chemical composition and use a simple model to describe their specificity on substrates Enzymes are proteins which act as catalysts in living things (they lower the amount of energy needed for a reaction‚ therefore increasing rate of reaction). Enzymes speed up reactions but are not used up by them. Enzymes catalyze only one
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“What are the effects of specific gravity‚ urine output volume‚ and salt concentration when you ingest a hypertonic‚ hypotonic‚ and isotonic solution?” Specific Gravity: Is the ratio of the density of a substance to the density (mass of the same unit volume) of a reference substance. Apparent specific gravity is the ratio of the weight of a volume of the substance to the weight of an equal volume of the reference substance. Urine specific gravity results fall between 1.002 and 1.030 if your kidneys
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child drink clear fluids in small amounts at a time. • Talk with your child’s health care provider about the specific amount of fluids your child should be drinking each day. Generally‚ your child should drink enough fluids to keep his or her urine clear or pale yellow. • Some examples of clear fluids include water‚ low-calorie popsicles‚ and fruit juice with water added (diluted) to reduce the sugar content. • Giving your child an oral rehydration solution (ORS ). This is a drink that
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Describe two examples of homeostatic systems in humans The phrase homeostasis originates from the Greek language. “Homeo” defined as “similar” and “stasis” meaning “stable”. Homeostasis is vital for us humans as it maintains equilibrium in the body‚ which may be caused due to extrinsic changes. Homeostasis happens to sustain the bodies activity‚ health and functioning. Homeostasis can occur to organs like skin‚ kidney or liver and it usually contains a system of feedback controls. The body has various
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Endocrine Vs Nervous System The endocrine system acts with nervous system to coordinate the body’s activities. Both systems enable cells to communicate with others by using chemical messengers. The endocrine system uses chemical messengers called hormones that are transported by the circulatory system (blood). They act on target cells that may be anywhere in the body. The endocrine system is slower than the nervous system because hormones must travel through the circulatory system to reach their
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produced immediately‚ and after ½ hour. If the solution is milky‚ dilute with glacial acetic acid or 50% sulphuric acid. Do the same with 5% galactose‚ maltose‚ fructose‚ sucrose‚ lactose‚ glycogen and starch. | Carbohydrates‚ in acidic condition‚ form furfural‚ which reacts to Anthrone which gives a bluish-green-coloured complex. | Blue colour formation | MOORE’S | Concentrated NaOH | Mix 1ml of 5% glucose and 0.5ml of concentrated NaOH. Boil and note the change of color and odor produced. Do the
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* Basic structural and functional unit of kidney * Regulate concentration of water and soluble substances * FUNCTION: Eliminates waste‚ regulates blood pressure‚ regulates blood PH‚ controls levels of electrolytes and metabolites A. Urine Formation FILTRATION - plasma filtered from glomerulus into Bowman’s capsule * Blood pressure forces filtrate through filtration slits between podocytes of Bowman’s capsules. * Approx 20% of blood plasma is non-selective filtered into capsule
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514). Through its vascular and tubular components‚ the nephron performs three basic functions in order to carry out its regulatory role in the kidney: glomerular filtration‚ tubular reabsorption‚ and tubular secretion. In the initial phase of urine creation‚ otherwise known as glomerular filtration‚ roughly 20% of plasma from the afferent arteriole flows through the glomerular capillaries and into the Bowman’s capsule. As this newly formed filtrate travels through the nephron‚ it is subject
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CHEMISTRY 125 LABORATORY Name: Balagao‚ Sherey Mae U. Date Performed: September 8‚ 2014 Lab Schedule: 1:00-4:00 MW Date Submitted: September 19‚ 2014 Group No.: 4 Rating: Exercise No. 8 CARBOXYLIC ACIDS AND ACID DERIVATIVES I. OBJECTIVES: • To investigate the physical and chemical properties of Carboxylic acid and its derivatives • To understand the reactions of carboxylic compounds and derivatives. II. EXPERIMENTAL
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