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Human system organs. digestive system and respiratory system

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hasanahatesscience's version from 2015-11-13 03:56

Section 1

Question Answer
digestive organTAKE IN FOOD, BREAKS IT DOWN, ABSORBS THE NUTRIENTS AND ELIMINATE WASTE
mouthmechanical (teeth) and chemical (enzymes) break down of food
esphosgusconnects mouth to the stomach, food is squeezed down the tube by smooth muscle contractions called PERISTALSiS
stomachmain organ of digestion performs 3 tasks. 1)mechanical breakdown of food by muscles. 2)chemical breakdown of food, acid and mucus is released from cells into stomach. 3)food storage`
small intestineits small bc small diameter. location where nutrients are absorbed by the circulatory system. LONGEST PART OF DIGESTIVE SYSTEM.
large intestinemuch shorter and thicker than the small intestine. water is absorbed into the blood. remaining material is eliminated from the body through ANUS
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Section 2

Question Answer
salivary glandsrelease enzymes into mouth that helps to break down food into smaller nutrients, three pairs
liverproduces BILES which is STORED IN GULLBLADDER, bile BREAKS DOWN FATS
pancreasproduces INSULIN which HELPS REGULATE BLOOD SUGAR LEVELS. releases MANY ENZYMES WHICH BREAKDOWN FATS PROTEINS AND CARBS
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Section 3

Question Answer
what is the function of the respiratory system?`ensure that oxygen gas can enter each cell in the organism. and CARBON DIOXIDE can leave EACH CELL
a respiratory system mustprovide large enough surface area of GAS EXCHANGE. and PROVIDE A MOIST ENVIROMENT
what are the components of a specialized systemsBREATHING, EXTERNAL RESPIRATION, INTERNAL RESPIRATION, CELLULAR RESPIRATION
what is breathing/ventilationprocess of which oxygen is taken in from atmosphere and carbon dioxide is RELEASED
what is external respirationexchange of gases between air sacs and blood
what is internal respirationexchange of gases between blood and cells
cellular respirationbreakdown of glucose in presence of oxygen
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Section 4

Question Answer
upper. nosepreferred entrance for air, it will be warmed, cleaned and moistened in nasal cavity
upper. airair enters through the mouth
upper. throat(pharynx) collects incoming air from nose and mouth, passes it down toward the trachea
upper. voice box(larynx) contains vocal cords. it is place where moving air being breathed in and out creates voice sounds
upper. tracheapassage leading from throat and lungs
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Section 5

Question Answer
lower. bronchial tubesbranch off from trachea. each lung contains ONE bronchial tube
lower. lungsRIGHT LUNG IS DIVIDED INTO THREE SECTIONS OR LOBES. LEFT LUNG IS DIVIDED INTO TWO LOBES OR SECTIONS
lower. BRONCHIOLESat the END of each bronchiole tube are these before AIR SACS or AIVEOLI
lower. the alveolisprouts from the very smallest BRONCHIAL BRANCHES. SMALL CLUSTERS OF AIR SACS.
lower. diaphragmstron wall of muscle that separates chest cavity, from abdominal cavity
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