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vertebrate heartheart cardia most important organ of body main function is to pump the blood study of heart is cardiologyin heart auricles and
blood vessels -some vessles supply blood to wall of large vessels these are vessel of vessels or vasa vasorummainly artery and vein 2 types of
why is obelia considered to be of special interest in zoology as an animal showing an intermediate grade of
why is obelia considered to of special interest in zoology as an animal showing an intermediate grade of
circulation in animalcirculation is served by a fluid as blood lymph that circulates through the body in a regular manner receiving
color vision and chromatic aberrationone of the remarkable ability of the eye is its ability to see colorthere are three types of cones that respond
acrodynamicsdivision of air in lungs measured by spirometer1 tidal air ta quantity of air taken in or given out in a breath 500 cc2 inspiratory
thoracic cavity -thoracic cavity is air tight on dorsal side vertebral column presenton ventral side sternum present on lateral side 12 pairs ribs
alveoli -sac like structure unit of lungs increase surface area exchange of gases occur in itrich in blood capillaries aloeoli join by pore of kuhn
trachea -it is a thin walled tube situated on ventral side commonly known as wind pipesupported by c-shaped cartilagenous rings incomplete dorsally
minimum amount of light for low visionif 90 photons enter the eye 10 or less are actually absorbed in photoreceptorsabout 3 are reflected at the
nasal chamber -external nares are 2 in number ie dirhynous situated at lower side of nose open into nasal chambernasal chamber opens into pharynx by
respiration in insect cockroach -respiration is direct so metabolic rate is highthis system is related to each cell of the body so respiratory
some common reflexes related to respiration -1 cough reflex due to stimulation in trachea before it 25 lit air is
respiratory pigments -resp pig is generally hb fe is attached to globine by chellate bondin earthworm erythroqruorine presenthaemocyanine cu
respiratory organs in animals -in protozoa plasmalemma functions as respiratory surfacein porifera respiration occur through body wallin coelentrata
respirationrobert boyel and robert hook first of all explained the meaning of respirationmain aim of respiration is to liberate energy in the form of
effects of global warmingntilde alterations in the global precipitation a more warm atmosphere will contribute to enhanced evaporation from surface
carbon dioxide has been surmised as an significant component in ceasing the last ice age but its precise function has always been indecipherable as
disorder related to nutrition and digestive systemmalnutritionmalnutrition is improper intake of food malnutrion covers both undernutrition and
egestionto give out undigested food from alimentary canalfaeces can remain in colon for 36 hrs then moving into rectum by gastro-colic reflexfaeces
absorption of food absorption from mouthhere negligible tobacco alkohal and some medicines as isoprenailne glycerol tri nitrite is absorbedabsorption
short- distance radiotherapy or brachytherapythe advantage it gives a very large dose to the tumor with a minimum radiation to the
oxygen effectthe oxygen effect may play a role in the recurrence of cancer the cell near the center of a large tumor have a poor blood supply and
principles of radiation therapythe basic principle of radiation therapy is to maximize damage to the tumor while minimizing damage to the normal